diff --git a/frontend/email-page-debug.png b/frontend/email-page-debug.png
new file mode 100644
index 00000000..0adf2282
Binary files /dev/null and b/frontend/email-page-debug.png differ
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 0f87e159..34a96062 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -65,6 +65,7 @@ const PlatformUsers = React.lazy(() => import('./pages/platform/PlatformUsers'))
 const PlatformStaff = React.lazy(() => import('./pages/platform/PlatformStaff'));
 const PlatformSettings = React.lazy(() => import('./pages/platform/PlatformSettings'));
 const BillingManagement = React.lazy(() => import('./pages/platform/BillingManagement'));
+const PlatformStaffEmail = React.lazy(() => import('./pages/platform/PlatformStaffEmail'));
 const ProfileSettings = React.lazy(() => import('./pages/ProfileSettings'));
 const VerifyEmail = React.lazy(() => import('./pages/VerifyEmail'));
 const EmailVerificationRequired = React.lazy(() => import('./pages/EmailVerificationRequired'));
@@ -585,6 +586,7 @@ const AppContent: React.FC = () => {
             )}
             <Route path="/platform/support" element={<PlatformSupportPage />} />
             <Route path="/platform/email-addresses" element={<PlatformEmailAddresses />} />
+            <Route path="/platform/email" element={<PlatformStaffEmail />} />
             <Route path="/help/guide" element={<HelpGuide />} />
             <Route path="/help/ticketing" element={<HelpTicketing />} />
             <Route path="/help/api" element={<HelpApiDocs />} />
diff --git a/frontend/src/api/client.ts b/frontend/src/api/client.ts
index cdac322a..e23f5134 100644
--- a/frontend/src/api/client.ts
+++ b/frontend/src/api/client.ts
@@ -88,7 +88,7 @@ apiClient.interceptors.response.use(
           return apiClient(originalRequest);
         }
       } catch (refreshError) {
-        // Refresh failed - clear tokens and redirect to login on root domain
+        // Refresh failed - clear tokens and redirect to appropriate login page
         const { deleteCookie } = await import('../utils/cookies');
         const { getBaseDomain } = await import('../utils/domain');
         deleteCookie('access_token');
@@ -96,7 +96,16 @@ apiClient.interceptors.response.use(
         const protocol = window.location.protocol;
         const baseDomain = getBaseDomain();
         const port = window.location.port ? `:${window.location.port}` : '';
-        window.location.href = `${protocol}//${baseDomain}${port}/login`;
+        const hostname = window.location.hostname;
+
+        // Check if on platform subdomain
+        if (hostname.startsWith('platform.')) {
+          // Platform users go to platform login page
+          window.location.href = `${protocol}//platform.${baseDomain}${port}/platform/login`;
+        } else {
+          // Business users go to their subdomain's login page
+          window.location.href = `${protocol}//${hostname}${port}/login`;
+        }
         return Promise.reject(refreshError);
       }
     }
diff --git a/frontend/src/api/platformEmailAddresses.ts b/frontend/src/api/platformEmailAddresses.ts
index 123a60d5..3d196cef 100644
--- a/frontend/src/api/platformEmailAddresses.ts
+++ b/frontend/src/api/platformEmailAddresses.ts
@@ -61,6 +61,7 @@ export interface PlatformEmailAddressListItem {
   email_address: string;
   color: string;
   assigned_user?: AssignedUser | null;
+  routing_mode: 'PLATFORM' | 'STAFF';
   is_active: boolean;
   is_default: boolean;
   mail_server_synced: boolean;
@@ -78,6 +79,7 @@ export interface PlatformEmailAddressCreate {
   domain: string;
   color: string;
   password: string;
+  routing_mode?: 'PLATFORM' | 'STAFF';
   is_active: boolean;
   is_default: boolean;
 }
@@ -88,6 +90,7 @@ export interface PlatformEmailAddressUpdate {
   assigned_user_id?: number | null;
   color?: string;
   password?: string;
+  routing_mode?: 'PLATFORM' | 'STAFF';
   is_active?: boolean;
   is_default?: boolean;
 }
diff --git a/frontend/src/api/staffEmail.ts b/frontend/src/api/staffEmail.ts
new file mode 100644
index 00000000..f5ae3c03
--- /dev/null
+++ b/frontend/src/api/staffEmail.ts
@@ -0,0 +1,442 @@
+/**
+ * Staff Email API Client
+ *
+ * Provides API functions for the platform staff email client.
+ * This is for platform users (superuser, platform_manager, platform_support)
+ * who have been assigned email addresses in staff routing mode.
+ */
+
+import apiClient from './client';
+import {
+  StaffEmailFolder,
+  StaffEmail,
+  StaffEmailListItem,
+  StaffEmailLabel,
+  StaffEmailAttachment,
+  StaffEmailFilters,
+  StaffEmailCreateDraft,
+  StaffEmailMove,
+  StaffEmailBulkAction,
+  StaffEmailReply,
+  StaffEmailForward,
+  EmailContactSuggestion,
+  StaffEmailStats,
+} from '../types';
+
+const BASE_URL = '/staff-email';
+
+// ============================================================================
+// Folders
+// ============================================================================
+
+export const getFolders = async (): Promise<StaffEmailFolder[]> => {
+  const response = await apiClient.get(`${BASE_URL}/folders/`);
+  return response.data.map(transformFolder);
+};
+
+export const createFolder = async (name: string): Promise<StaffEmailFolder> => {
+  const response = await apiClient.post(`${BASE_URL}/folders/`, { name });
+  return transformFolder(response.data);
+};
+
+export const updateFolder = async (id: number, name: string): Promise<StaffEmailFolder> => {
+  const response = await apiClient.patch(`${BASE_URL}/folders/${id}/`, { name });
+  return transformFolder(response.data);
+};
+
+export const deleteFolder = async (id: number): Promise<void> => {
+  await apiClient.delete(`${BASE_URL}/folders/${id}/`);
+};
+
+// ============================================================================
+// Emails (Messages)
+// ============================================================================
+
+export interface PaginatedEmailResponse {
+  count: number;
+  next: string | null;
+  previous: string | null;
+  results: StaffEmailListItem[];
+}
+
+export const getEmails = async (
+  filters?: StaffEmailFilters,
+  page: number = 1,
+  pageSize: number = 50
+): Promise<PaginatedEmailResponse> => {
+  const params = new URLSearchParams();
+  params.append('page', String(page));
+  params.append('page_size', String(pageSize));
+
+  if (filters?.folderId) params.append('folder', String(filters.folderId));
+  if (filters?.emailAddressId) params.append('email_address', String(filters.emailAddressId));
+  if (filters?.isRead !== undefined) params.append('is_read', String(filters.isRead));
+  if (filters?.isStarred !== undefined) params.append('is_starred', String(filters.isStarred));
+  if (filters?.isImportant !== undefined) params.append('is_important', String(filters.isImportant));
+  if (filters?.labelId) params.append('label', String(filters.labelId));
+  if (filters?.search) params.append('search', filters.search);
+  if (filters?.fromDate) params.append('from_date', filters.fromDate);
+  if (filters?.toDate) params.append('to_date', filters.toDate);
+
+  // Debug logging - remove after fixing folder filter issue
+  console.log('[StaffEmail API] getEmails called with:', { filters, params: params.toString() });
+
+  const response = await apiClient.get(`${BASE_URL}/messages/?${params.toString()}`);
+
+  // Handle both paginated response {count, results, ...} and legacy array response
+  const data = response.data;
+  console.log('[StaffEmail API] Raw response data:', data);
+
+  if (Array.isArray(data)) {
+    // Legacy format (array of emails)
+    console.log('[StaffEmail API] Response (legacy array):', { count: data.length });
+    return {
+      count: data.length,
+      next: null,
+      previous: null,
+      results: data.map(transformEmailListItem),
+    };
+  }
+
+  // New paginated format
+  const result = {
+    count: data.count ?? 0,
+    next: data.next ?? null,
+    previous: data.previous ?? null,
+    results: (data.results ?? []).map(transformEmailListItem),
+  };
+
+  // Debug logging - remove after fixing folder filter issue
+  console.log('[StaffEmail API] Response:', { count: result.count, resultCount: result.results.length });
+
+  return result;
+};
+
+export const getEmail = async (id: number): Promise<StaffEmail> => {
+  const response = await apiClient.get(`${BASE_URL}/messages/${id}/`);
+  return transformEmail(response.data);
+};
+
+export const getEmailThread = async (threadId: string): Promise<StaffEmail[]> => {
+  const response = await apiClient.get(`${BASE_URL}/messages/`, {
+    params: { thread_id: threadId },
+  });
+  return response.data.results.map(transformEmail);
+};
+
+/**
+ * Convert string email addresses to the format expected by the backend.
+ * Backend expects: [{ email: "test@example.com", name: "" }]
+ * Frontend sends: ["test@example.com"]
+ */
+function formatEmailAddresses(addresses: string[]): Array<{ email: string; name: string }> {
+  return addresses.map((addr) => {
+    // Check if it's already in "Name <email>" format
+    const match = addr.match(/^(.+?)\s*<(.+?)>$/);
+    if (match) {
+      return { name: match[1].trim(), email: match[2].trim() };
+    }
+    return { email: addr.trim(), name: '' };
+  });
+}
+
+export const createDraft = async (data: StaffEmailCreateDraft): Promise<StaffEmail> => {
+  const payload = {
+    email_address: data.emailAddressId,
+    to_addresses: formatEmailAddresses(data.toAddresses),
+    cc_addresses: formatEmailAddresses(data.ccAddresses || []),
+    bcc_addresses: formatEmailAddresses(data.bccAddresses || []),
+    subject: data.subject,
+    body_text: data.bodyText || '',
+    body_html: data.bodyHtml || '',
+    in_reply_to: data.inReplyTo,
+    thread_id: data.threadId,
+  };
+  const response = await apiClient.post(`${BASE_URL}/messages/`, payload);
+  return transformEmail(response.data);
+};
+
+export const updateDraft = async (id: number, data: Partial<StaffEmailCreateDraft>): Promise<StaffEmail> => {
+  const payload: Record<string, any> = {};
+  if (data.toAddresses !== undefined) payload.to_addresses = formatEmailAddresses(data.toAddresses);
+  if (data.ccAddresses !== undefined) payload.cc_addresses = formatEmailAddresses(data.ccAddresses);
+  if (data.bccAddresses !== undefined) payload.bcc_addresses = formatEmailAddresses(data.bccAddresses);
+  if (data.subject !== undefined) payload.subject = data.subject;
+  if (data.bodyText !== undefined) payload.body_text = data.bodyText;
+  if (data.bodyHtml !== undefined) payload.body_html = data.bodyHtml;
+
+  const response = await apiClient.patch(`${BASE_URL}/messages/${id}/`, payload);
+  return transformEmail(response.data);
+};
+
+export const deleteDraft = async (id: number): Promise<void> => {
+  await apiClient.delete(`${BASE_URL}/messages/${id}/`);
+};
+
+export const sendEmail = async (id: number): Promise<StaffEmail> => {
+  const response = await apiClient.post(`${BASE_URL}/messages/${id}/send/`);
+  return transformEmail(response.data);
+};
+
+export const replyToEmail = async (id: number, data: StaffEmailReply): Promise<StaffEmail> => {
+  const payload = {
+    body_text: data.bodyText || '',
+    body_html: data.bodyHtml || '',
+    reply_all: data.replyAll || false,
+  };
+  const response = await apiClient.post(`${BASE_URL}/messages/${id}/reply/`);
+  return transformEmail(response.data);
+};
+
+export const forwardEmail = async (id: number, data: StaffEmailForward): Promise<StaffEmail> => {
+  const payload = {
+    to_addresses: formatEmailAddresses(data.toAddresses),
+    cc_addresses: formatEmailAddresses(data.ccAddresses || []),
+    body_text: data.bodyText || '',
+    body_html: data.bodyHtml || '',
+  };
+  const response = await apiClient.post(`${BASE_URL}/messages/${id}/forward/`, payload);
+  return transformEmail(response.data);
+};
+
+export const moveEmails = async (data: StaffEmailMove): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/move/`, {
+    email_ids: data.emailIds,
+    folder_id: data.folderId,
+  });
+};
+
+export const markAsRead = async (id: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${id}/mark_read/`);
+};
+
+export const markAsUnread = async (id: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${id}/mark_unread/`);
+};
+
+export const starEmail = async (id: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${id}/star/`);
+};
+
+export const unstarEmail = async (id: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${id}/unstar/`);
+};
+
+export const archiveEmail = async (id: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${id}/archive/`);
+};
+
+export const trashEmail = async (id: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${id}/trash/`);
+};
+
+export const restoreEmail = async (id: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${id}/restore/`);
+};
+
+export const permanentlyDeleteEmail = async (id: number): Promise<void> => {
+  await apiClient.delete(`${BASE_URL}/messages/${id}/`);
+};
+
+export const bulkAction = async (data: StaffEmailBulkAction): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/bulk_action/`, {
+    email_ids: data.emailIds,
+    action: data.action,
+  });
+};
+
+// ============================================================================
+// Labels
+// ============================================================================
+
+export const getLabels = async (): Promise<StaffEmailLabel[]> => {
+  const response = await apiClient.get(`${BASE_URL}/labels/`);
+  return response.data.map(transformLabel);
+};
+
+export const createLabel = async (name: string, color: string): Promise<StaffEmailLabel> => {
+  const response = await apiClient.post(`${BASE_URL}/labels/`, { name, color });
+  return transformLabel(response.data);
+};
+
+export const updateLabel = async (id: number, data: { name?: string; color?: string }): Promise<StaffEmailLabel> => {
+  const response = await apiClient.patch(`${BASE_URL}/labels/${id}/`, data);
+  return transformLabel(response.data);
+};
+
+export const deleteLabel = async (id: number): Promise<void> => {
+  await apiClient.delete(`${BASE_URL}/labels/${id}/`);
+};
+
+export const addLabelToEmail = async (emailId: number, labelId: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${emailId}/add_label/`, { label_id: labelId });
+};
+
+export const removeLabelFromEmail = async (emailId: number, labelId: number): Promise<void> => {
+  await apiClient.post(`${BASE_URL}/messages/${emailId}/remove_label/`, { label_id: labelId });
+};
+
+// ============================================================================
+// Contacts
+// ============================================================================
+
+export const searchContacts = async (query: string): Promise<EmailContactSuggestion[]> => {
+  const response = await apiClient.get(`${BASE_URL}/contacts/`, {
+    params: { search: query },
+  });
+  return response.data.map(transformContact);
+};
+
+// ============================================================================
+// Attachments
+// ============================================================================
+
+export const uploadAttachment = async (file: File, emailId?: number): Promise<StaffEmailAttachment> => {
+  const formData = new FormData();
+  formData.append('file', file);
+  if (emailId) {
+    formData.append('email_id', String(emailId));
+  }
+  const response = await apiClient.post(`${BASE_URL}/attachments/`, formData, {
+    headers: { 'Content-Type': 'multipart/form-data' },
+  });
+  return transformAttachment(response.data);
+};
+
+export const deleteAttachment = async (id: number): Promise<void> => {
+  await apiClient.delete(`${BASE_URL}/attachments/${id}/`);
+};
+
+// ============================================================================
+// Sync
+// ============================================================================
+
+export const syncEmails = async (): Promise<{ success: boolean; message: string }> => {
+  const response = await apiClient.post(`${BASE_URL}/messages/sync/`);
+  return response.data;
+};
+
+export interface FullSyncTask {
+  email_address: string;
+  task_id: string;
+}
+
+export interface FullSyncResponse {
+  status: string;
+  tasks: FullSyncTask[];
+}
+
+export const fullSyncEmails = async (): Promise<FullSyncResponse> => {
+  const response = await apiClient.post(`${BASE_URL}/messages/full_sync/`);
+  return response.data;
+};
+
+// ============================================================================
+// User's Email Addresses
+// ============================================================================
+
+export interface UserEmailAddress {
+  id: number;
+  email_address: string;
+  display_name: string;
+  color: string;
+  is_default: boolean;
+  last_check_at: string | null;
+  emails_processed_count: number;
+}
+
+export const getUserEmailAddresses = async (): Promise<UserEmailAddress[]> => {
+  const response = await apiClient.get(`${BASE_URL}/messages/email_addresses/`);
+  return response.data;
+};
+
+// ============================================================================
+// Transform Functions (snake_case -> camelCase)
+// ============================================================================
+
+function transformFolder(data: any): StaffEmailFolder {
+  return {
+    id: data.id,
+    owner: data.owner,
+    name: data.name,
+    folderType: data.folder_type,
+    emailCount: data.email_count || 0,
+    unreadCount: data.unread_count || 0,
+    createdAt: data.created_at,
+    updatedAt: data.updated_at,
+  };
+}
+
+function transformEmailListItem(data: any): StaffEmailListItem {
+  return {
+    id: data.id,
+    folder: data.folder,
+    fromAddress: data.from_address,
+    fromName: data.from_name || '',
+    toAddresses: data.to_addresses || [],
+    subject: data.subject || '(No Subject)',
+    snippet: data.snippet || '',
+    status: data.status,
+    isRead: data.is_read,
+    isStarred: data.is_starred,
+    isImportant: data.is_important,
+    hasAttachments: data.has_attachments || false,
+    attachmentCount: data.attachment_count || 0,
+    threadId: data.thread_id,
+    emailDate: data.email_date,
+    createdAt: data.created_at,
+    labels: (data.labels || []).map(transformLabel),
+  };
+}
+
+function transformEmail(data: any): StaffEmail {
+  return {
+    ...transformEmailListItem(data),
+    owner: data.owner,
+    emailAddress: data.email_address,
+    messageId: data.message_id || '',
+    inReplyTo: data.in_reply_to,
+    references: data.references || '',
+    ccAddresses: data.cc_addresses || [],
+    bccAddresses: data.bcc_addresses || [],
+    bodyText: data.body_text || '',
+    bodyHtml: data.body_html || '',
+    isAnswered: data.is_answered || false,
+    isPermanentlyDeleted: data.is_permanently_deleted || false,
+    deletedAt: data.deleted_at,
+    attachments: (data.attachments || []).map(transformAttachment),
+    updatedAt: data.updated_at,
+  };
+}
+
+function transformLabel(data: any): StaffEmailLabel {
+  return {
+    id: data.id,
+    owner: data.owner,
+    name: data.name,
+    color: data.color || '#3b82f6',
+    createdAt: data.created_at,
+  };
+}
+
+function transformAttachment(data: any): StaffEmailAttachment {
+  return {
+    id: data.id,
+    filename: data.filename,
+    contentType: data.content_type,
+    size: data.size,
+    url: data.url || data.file_url || '',
+    createdAt: data.created_at,
+  };
+}
+
+function transformContact(data: any): EmailContactSuggestion {
+  return {
+    id: data.id,
+    owner: data.owner,
+    email: data.email,
+    name: data.name || '',
+    useCount: data.use_count || 0,
+    lastUsedAt: data.last_used_at,
+  };
+}
diff --git a/frontend/src/components/FloatingHelpButton.tsx b/frontend/src/components/FloatingHelpButton.tsx
deleted file mode 100644
index a47e72ba..00000000
--- a/frontend/src/components/FloatingHelpButton.tsx
+++ /dev/null
@@ -1,115 +0,0 @@
-/**
- * FloatingHelpButton Component
- *
- * A floating help button fixed in the top-right corner of the screen.
- * Automatically determines the help path based on the current route.
- */
-
-import React from 'react';
-import { Link, useLocation } from 'react-router-dom';
-import { HelpCircle } from 'lucide-react';
-import { useTranslation } from 'react-i18next';
-
-// Map route suffixes to their help page suffixes
-// These get prefixed appropriately based on context (tenant dashboard or public)
-const routeToHelpSuffix: Record<string, string> = {
-  '/': 'dashboard',
-  '/dashboard': 'dashboard',
-  '/scheduler': 'scheduler',
-  '/my-schedule': 'scheduler',
-  '/tasks': 'tasks',
-  '/customers': 'customers',
-  '/services': 'services',
-  '/resources': 'resources',
-  '/locations': 'locations',
-  '/staff': 'staff',
-  '/time-blocks': 'time-blocks',
-  '/my-availability': 'time-blocks',
-  '/messages': 'messages',
-  '/tickets': 'ticketing',
-  '/payments': 'payments',
-  '/contracts': 'contracts',
-  '/contracts/templates': 'contracts',
-  '/automations': 'automations',
-  '/automations/marketplace': 'automations',
-  '/automations/my-automations': 'automations',
-  '/automations/create': 'automations/docs',
-  '/site-editor': 'site-builder',
-  '/gallery': 'site-builder',
-  '/settings': 'settings/general',
-  '/settings/general': 'settings/general',
-  '/settings/resource-types': 'settings/resource-types',
-  '/settings/booking': 'settings/booking',
-  '/settings/appearance': 'settings/appearance',
-  '/settings/branding': 'settings/appearance',
-  '/settings/business-hours': 'settings/business-hours',
-  '/settings/email': 'settings/email',
-  '/settings/email-templates': 'settings/email-templates',
-  '/settings/embed-widget': 'settings/embed-widget',
-  '/settings/staff-roles': 'settings/staff-roles',
-  '/settings/sms-calling': 'settings/communication',
-  '/settings/domains': 'settings/domains',
-  '/settings/api': 'settings/api',
-  '/settings/auth': 'settings/auth',
-  '/settings/billing': 'settings/billing',
-  '/settings/quota': 'settings/quota',
-};
-
-const FloatingHelpButton: React.FC = () => {
-  const { t } = useTranslation();
-  const location = useLocation();
-
-  // Check if we're on a tenant dashboard route
-  const isOnDashboard = location.pathname.startsWith('/dashboard');
-
-  // Get the help path for the current route
-  const getHelpPath = (): string => {
-    // Determine the base help path based on context
-    const helpBase = isOnDashboard ? '/dashboard/help' : '/help';
-
-    // Get the route to look up (strip /dashboard prefix if present)
-    const lookupPath = isOnDashboard
-      ? location.pathname.replace(/^\/dashboard/, '') || '/'
-      : location.pathname;
-
-    // Exact match first
-    if (routeToHelpSuffix[lookupPath]) {
-      return `${helpBase}/${routeToHelpSuffix[lookupPath]}`;
-    }
-
-    // Try matching with a prefix (for dynamic routes like /customers/:id)
-    const pathSegments = lookupPath.split('/').filter(Boolean);
-    if (pathSegments.length > 0) {
-      // Try progressively shorter paths
-      for (let i = pathSegments.length; i > 0; i--) {
-        const testPath = '/' + pathSegments.slice(0, i).join('/');
-        if (routeToHelpSuffix[testPath]) {
-          return `${helpBase}/${routeToHelpSuffix[testPath]}`;
-        }
-      }
-    }
-
-    // Default to the main help page
-    return helpBase;
-  };
-
-  const helpPath = getHelpPath();
-
-  // Don't show on help pages themselves
-  if (location.pathname.includes('/help')) {
-    return null;
-  }
-
-  return (
-    <Link
-      to={helpPath}
-      className="fixed top-20 right-4 z-50 inline-flex items-center justify-center w-10 h-10 bg-white dark:bg-gray-800 text-gray-500 dark:text-gray-400 hover:text-brand-600 dark:hover:text-brand-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-full shadow-lg border border-gray-200 dark:border-gray-700 transition-all duration-200 hover:scale-110"
-      title={t('common.help', 'Help')}
-      aria-label={t('common.help', 'Help')}
-    >
-      <HelpCircle size={20} />
-    </Link>
-  );
-};
-
-export default FloatingHelpButton;
diff --git a/frontend/src/components/HelpButton.tsx b/frontend/src/components/HelpButton.tsx
index 4cba2482..a4becd60 100644
--- a/frontend/src/components/HelpButton.tsx
+++ b/frontend/src/components/HelpButton.tsx
@@ -1,31 +1,113 @@
 /**
  * HelpButton Component
  *
- * A contextual help button that appears at the top-right of pages
- * and links to the relevant help documentation.
+ * A help button for the top bar that navigates to context-aware help pages.
+ * Automatically determines the help path based on the current route.
  */
 
 import React from 'react';
-import { Link } from 'react-router-dom';
+import { Link, useLocation } from 'react-router-dom';
 import { HelpCircle } from 'lucide-react';
 import { useTranslation } from 'react-i18next';
 
-interface HelpButtonProps {
-  helpPath: string;
-  className?: string;
-}
+// Map route suffixes to their help page suffixes
+// These get prefixed appropriately based on context (tenant dashboard or public)
+const routeToHelpSuffix: Record<string, string> = {
+  '/': 'dashboard',
+  '/dashboard': 'dashboard',
+  '/scheduler': 'scheduler',
+  '/my-schedule': 'scheduler',
+  '/tasks': 'tasks',
+  '/customers': 'customers',
+  '/services': 'services',
+  '/resources': 'resources',
+  '/locations': 'locations',
+  '/staff': 'staff',
+  '/time-blocks': 'time-blocks',
+  '/my-availability': 'time-blocks',
+  '/messages': 'messages',
+  '/tickets': 'ticketing',
+  '/payments': 'payments',
+  '/contracts': 'contracts',
+  '/contracts/templates': 'contracts',
+  '/automations': 'automations',
+  '/automations/marketplace': 'automations',
+  '/automations/my-automations': 'automations',
+  '/automations/create': 'automations/docs',
+  '/site-editor': 'site-builder',
+  '/gallery': 'site-builder',
+  '/settings': 'settings/general',
+  '/settings/general': 'settings/general',
+  '/settings/resource-types': 'settings/resource-types',
+  '/settings/booking': 'settings/booking',
+  '/settings/appearance': 'settings/appearance',
+  '/settings/branding': 'settings/appearance',
+  '/settings/business-hours': 'settings/business-hours',
+  '/settings/email': 'settings/email',
+  '/settings/email-templates': 'settings/email-templates',
+  '/settings/embed-widget': 'settings/embed-widget',
+  '/settings/staff-roles': 'settings/staff-roles',
+  '/settings/sms-calling': 'settings/communication',
+  '/settings/domains': 'settings/domains',
+  '/settings/api': 'settings/api',
+  '/settings/auth': 'settings/auth',
+  '/settings/billing': 'settings/billing',
+  '/settings/quota': 'settings/quota',
+};
 
-const HelpButton: React.FC<HelpButtonProps> = ({ helpPath, className = '' }) => {
+const HelpButton: React.FC = () => {
   const { t } = useTranslation();
+  const location = useLocation();
+
+  // Check if we're on a tenant dashboard route
+  const isOnDashboard = location.pathname.startsWith('/dashboard');
+
+  // Get the help path for the current route
+  const getHelpPath = (): string => {
+    // Determine the base help path based on context
+    const helpBase = isOnDashboard ? '/dashboard/help' : '/help';
+
+    // Get the route to look up (strip /dashboard prefix if present)
+    const lookupPath = isOnDashboard
+      ? location.pathname.replace(/^\/dashboard/, '') || '/'
+      : location.pathname;
+
+    // Exact match first
+    if (routeToHelpSuffix[lookupPath]) {
+      return `${helpBase}/${routeToHelpSuffix[lookupPath]}`;
+    }
+
+    // Try matching with a prefix (for dynamic routes like /customers/:id)
+    const pathSegments = lookupPath.split('/').filter(Boolean);
+    if (pathSegments.length > 0) {
+      // Try progressively shorter paths
+      for (let i = pathSegments.length; i > 0; i--) {
+        const testPath = '/' + pathSegments.slice(0, i).join('/');
+        if (routeToHelpSuffix[testPath]) {
+          return `${helpBase}/${routeToHelpSuffix[testPath]}`;
+        }
+      }
+    }
+
+    // Default to the main help page
+    return helpBase;
+  };
+
+  const helpPath = getHelpPath();
+
+  // Don't show on help pages themselves
+  if (location.pathname.includes('/help')) {
+    return null;
+  }
 
   return (
     <Link
       to={helpPath}
-      className={`inline-flex items-center gap-1.5 px-3 py-1.5 text-sm text-gray-500 dark:text-gray-400 hover:text-brand-600 dark:hover:text-brand-400 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-lg transition-colors ${className}`}
+      className="p-2 text-gray-400 hover:text-gray-600 dark:hover:text-gray-200 transition-colors"
       title={t('common.help', 'Help')}
+      aria-label={t('common.help', 'Help')}
     >
-      <HelpCircle size={18} />
-      <span className="hidden sm:inline">{t('common.help', 'Help')}</span>
+      <HelpCircle size={20} />
     </Link>
   );
 };
diff --git a/frontend/src/components/PlatformEmailAddressManager.tsx b/frontend/src/components/PlatformEmailAddressManager.tsx
index 3d10a280..a19453ee 100644
--- a/frontend/src/components/PlatformEmailAddressManager.tsx
+++ b/frontend/src/components/PlatformEmailAddressManager.tsx
@@ -59,6 +59,7 @@ interface EmailAddressFormData {
   domain: string;
   color: string;
   password: string;
+  routing_mode: 'PLATFORM' | 'STAFF';
   is_active: boolean;
   is_default: boolean;
 }
@@ -92,6 +93,7 @@ const PlatformEmailAddressManager: React.FC = () => {
     domain: 'smoothschedule.com',
     color: '#3b82f6',
     password: '',
+    routing_mode: 'PLATFORM',
     is_active: true,
     is_default: false,
   });
@@ -120,6 +122,7 @@ const PlatformEmailAddressManager: React.FC = () => {
       domain: 'smoothschedule.com',
       color: '#3b82f6',
       password: '',
+      routing_mode: 'PLATFORM',
       is_active: true,
       is_default: false,
     });
@@ -137,6 +140,7 @@ const PlatformEmailAddressManager: React.FC = () => {
       domain: address.domain,
       color: address.color,
       password: '',
+      routing_mode: address.routing_mode || 'PLATFORM',
       is_active: address.is_active,
       is_default: address.is_default,
     });
@@ -188,6 +192,7 @@ const PlatformEmailAddressManager: React.FC = () => {
           sender_name: formData.sender_name,
           assigned_user_id: formData.assigned_user_id,
           color: formData.color,
+          routing_mode: formData.routing_mode,
           is_active: formData.is_active,
           is_default: formData.is_default,
         };
@@ -210,6 +215,7 @@ const PlatformEmailAddressManager: React.FC = () => {
           domain: formData.domain,
           color: formData.color,
           password: formData.password,
+          routing_mode: formData.routing_mode,
           is_active: formData.is_active,
           is_default: formData.is_default,
         });
@@ -607,6 +613,27 @@ const PlatformEmailAddressManager: React.FC = () => {
                 </p>
               </div>
 
+              {/* Routing Mode */}
+              <div>
+                <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">
+                  Routing Mode
+                </label>
+                <select
+                  value={formData.routing_mode}
+                  onChange={(e) => setFormData({
+                    ...formData,
+                    routing_mode: e.target.value as 'PLATFORM' | 'STAFF'
+                  })}
+                  className="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-700 text-gray-900 dark:text-white focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+                >
+                  <option value="PLATFORM">Platform (Ticketing System)</option>
+                  <option value="STAFF">Staff (Personal Inbox)</option>
+                </select>
+                <p className="mt-1 text-xs text-gray-500 dark:text-gray-400">
+                  Platform: Emails become support tickets. Staff: Emails go to the assigned user's inbox.
+                </p>
+              </div>
+
               {/* Email Address (only show for new addresses) */}
               {!editingAddress && (
                 <div>
diff --git a/frontend/src/components/PlatformSidebar.tsx b/frontend/src/components/PlatformSidebar.tsx
index 35b23538..92eb1be2 100644
--- a/frontend/src/components/PlatformSidebar.tsx
+++ b/frontend/src/components/PlatformSidebar.tsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import { useTranslation } from 'react-i18next';
 import { Link, useLocation } from 'react-router-dom';
-import { LayoutDashboard, Building2, MessageSquare, Settings, Users, Shield, HelpCircle, Code, Mail, CreditCard } from 'lucide-react';
+import { LayoutDashboard, Building2, MessageSquare, Settings, Users, Shield, HelpCircle, Code, Mail, CreditCard, Inbox } from 'lucide-react';
 import { User } from '../types';
 import SmoothScheduleLogo from './SmoothScheduleLogo';
 
@@ -16,7 +16,9 @@ const PlatformSidebar: React.FC<PlatformSidebarProps> = ({ user, isCollapsed, to
   const location = useLocation();
 
   const getNavClass = (path: string) => {
-    const isActive = location.pathname === path || (path !== '/' && location.pathname.startsWith(path));
+    // Exact match or starts with path followed by /
+    const isActive = location.pathname === path ||
+      (path !== '/' && (location.pathname.startsWith(path + '/') || location.pathname === path));
     const baseClasses = `flex items-center gap-3 py-2 text-sm font-medium rounded-md transition-colors`;
     const collapsedClasses = isCollapsed ? 'px-3 justify-center' : 'px-3';
     const activeClasses = 'bg-gray-700 text-white';
@@ -67,6 +69,10 @@ const PlatformSidebar: React.FC<PlatformSidebarProps> = ({ user, isCollapsed, to
           <Mail size={18} className="shrink-0" />
           {!isCollapsed && <span>Email Addresses</span>}
         </Link>
+        <Link to="/platform/email" className={getNavClass('/platform/email')} title="My Inbox">
+          <Inbox size={18} className="shrink-0" />
+          {!isCollapsed && <span>My Inbox</span>}
+        </Link>
 
         {isSuperuser && (
           <>
diff --git a/frontend/src/components/TopBar.tsx b/frontend/src/components/TopBar.tsx
index b0bbf7e9..7ac0105a 100644
--- a/frontend/src/components/TopBar.tsx
+++ b/frontend/src/components/TopBar.tsx
@@ -6,6 +6,7 @@ import UserProfileDropdown from './UserProfileDropdown';
 import LanguageSelector from './LanguageSelector';
 import NotificationDropdown from './NotificationDropdown';
 import SandboxToggle from './SandboxToggle';
+import HelpButton from './HelpButton';
 import { useSandbox } from '../contexts/SandboxContext';
 
 interface TopBarProps {
@@ -62,6 +63,8 @@ const TopBar: React.FC<TopBarProps> = ({ user, isDarkMode, toggleTheme, onMenuCl
 
         <NotificationDropdown onTicketClick={onTicketClick} />
 
+        <HelpButton />
+
         <UserProfileDropdown user={user} />
       </div>
     </header>
diff --git a/frontend/src/components/__tests__/FloatingHelpButton.test.tsx b/frontend/src/components/__tests__/FloatingHelpButton.test.tsx
deleted file mode 100644
index 958d0e8e..00000000
--- a/frontend/src/components/__tests__/FloatingHelpButton.test.tsx
+++ /dev/null
@@ -1,217 +0,0 @@
-import { describe, it, expect, vi } from 'vitest';
-import { render, screen } from '@testing-library/react';
-import { MemoryRouter } from 'react-router-dom';
-import FloatingHelpButton from '../FloatingHelpButton';
-
-// Mock react-i18next
-vi.mock('react-i18next', () => ({
-  useTranslation: () => ({
-    t: (key: string, defaultValue?: string) => defaultValue || key,
-  }),
-}));
-
-describe('FloatingHelpButton', () => {
-  const renderWithRouter = (initialPath: string) => {
-    return render(
-      <MemoryRouter initialEntries={[initialPath]}>
-        <FloatingHelpButton />
-      </MemoryRouter>
-    );
-  };
-
-  describe('tenant dashboard routes (prefixed with /dashboard)', () => {
-    it('renders help link on tenant dashboard', () => {
-      renderWithRouter('/dashboard');
-      const link = screen.getByRole('link');
-      expect(link).toBeInTheDocument();
-    });
-
-    it('links to /dashboard/help/dashboard for /dashboard', () => {
-      renderWithRouter('/dashboard');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/dashboard');
-    });
-
-    it('links to /dashboard/help/scheduler for /dashboard/scheduler', () => {
-      renderWithRouter('/dashboard/scheduler');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/scheduler');
-    });
-
-    it('links to /dashboard/help/services for /dashboard/services', () => {
-      renderWithRouter('/dashboard/services');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/services');
-    });
-
-    it('links to /dashboard/help/resources for /dashboard/resources', () => {
-      renderWithRouter('/dashboard/resources');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/resources');
-    });
-
-    it('links to /dashboard/help/settings/general for /dashboard/settings/general', () => {
-      renderWithRouter('/dashboard/settings/general');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/settings/general');
-    });
-
-    it('links to /dashboard/help/customers for /dashboard/customers/123', () => {
-      renderWithRouter('/dashboard/customers/123');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/customers');
-    });
-
-    it('returns null on /dashboard/help pages', () => {
-      const { container } = renderWithRouter('/dashboard/help/dashboard');
-      expect(container.firstChild).toBeNull();
-    });
-
-    it('links to /dashboard/help for unknown dashboard routes', () => {
-      renderWithRouter('/dashboard/unknown-route');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help');
-    });
-
-    it('links to /dashboard/help/site-builder for /dashboard/site-editor', () => {
-      renderWithRouter('/dashboard/site-editor');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/site-builder');
-    });
-
-    it('links to /dashboard/help/site-builder for /dashboard/gallery', () => {
-      renderWithRouter('/dashboard/gallery');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/site-builder');
-    });
-
-    it('links to /dashboard/help/locations for /dashboard/locations', () => {
-      renderWithRouter('/dashboard/locations');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/locations');
-    });
-
-    it('links to /dashboard/help/settings/business-hours for /dashboard/settings/business-hours', () => {
-      renderWithRouter('/dashboard/settings/business-hours');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/settings/business-hours');
-    });
-
-    it('links to /dashboard/help/settings/email-templates for /dashboard/settings/email-templates', () => {
-      renderWithRouter('/dashboard/settings/email-templates');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/settings/email-templates');
-    });
-
-    it('links to /dashboard/help/settings/embed-widget for /dashboard/settings/embed-widget', () => {
-      renderWithRouter('/dashboard/settings/embed-widget');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/settings/embed-widget');
-    });
-
-    it('links to /dashboard/help/settings/staff-roles for /dashboard/settings/staff-roles', () => {
-      renderWithRouter('/dashboard/settings/staff-roles');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/settings/staff-roles');
-    });
-
-    it('links to /dashboard/help/settings/communication for /dashboard/settings/sms-calling', () => {
-      renderWithRouter('/dashboard/settings/sms-calling');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/dashboard/help/settings/communication');
-    });
-  });
-
-  describe('non-dashboard routes (public/platform)', () => {
-    it('links to /help/scheduler for /scheduler', () => {
-      renderWithRouter('/scheduler');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/scheduler');
-    });
-
-    it('links to /help/services for /services', () => {
-      renderWithRouter('/services');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/services');
-    });
-
-    it('links to /help/resources for /resources', () => {
-      renderWithRouter('/resources');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/resources');
-    });
-
-    it('links to /help/settings/general for /settings/general', () => {
-      renderWithRouter('/settings/general');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/settings/general');
-    });
-
-    it('links to /help/locations for /locations', () => {
-      renderWithRouter('/locations');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/locations');
-    });
-
-    it('links to /help/settings/business-hours for /settings/business-hours', () => {
-      renderWithRouter('/settings/business-hours');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/settings/business-hours');
-    });
-
-    it('links to /help/settings/email-templates for /settings/email-templates', () => {
-      renderWithRouter('/settings/email-templates');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/settings/email-templates');
-    });
-
-    it('links to /help/settings/embed-widget for /settings/embed-widget', () => {
-      renderWithRouter('/settings/embed-widget');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/settings/embed-widget');
-    });
-
-    it('links to /help/settings/staff-roles for /settings/staff-roles', () => {
-      renderWithRouter('/settings/staff-roles');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/settings/staff-roles');
-    });
-
-    it('links to /help/settings/communication for /settings/sms-calling', () => {
-      renderWithRouter('/settings/sms-calling');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/settings/communication');
-    });
-
-    it('returns null on /help pages', () => {
-      const { container } = renderWithRouter('/help/dashboard');
-      expect(container.firstChild).toBeNull();
-    });
-
-    it('links to /help for unknown routes', () => {
-      renderWithRouter('/unknown-route');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help');
-    });
-
-    it('handles dynamic routes by matching prefix', () => {
-      renderWithRouter('/customers/123');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('href', '/help/customers');
-    });
-  });
-
-  describe('accessibility', () => {
-    it('has aria-label', () => {
-      renderWithRouter('/dashboard');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('aria-label', 'Help');
-    });
-
-    it('has title attribute', () => {
-      renderWithRouter('/dashboard');
-      const link = screen.getByRole('link');
-      expect(link).toHaveAttribute('title', 'Help');
-    });
-  });
-});
diff --git a/frontend/src/components/__tests__/HelpButton.test.tsx b/frontend/src/components/__tests__/HelpButton.test.tsx
index 1b35a95d..bf313d93 100644
--- a/frontend/src/components/__tests__/HelpButton.test.tsx
+++ b/frontend/src/components/__tests__/HelpButton.test.tsx
@@ -1,6 +1,6 @@
 import { describe, it, expect, vi } from 'vitest';
 import { render, screen } from '@testing-library/react';
-import { BrowserRouter } from 'react-router-dom';
+import { MemoryRouter } from 'react-router-dom';
 import HelpButton from '../HelpButton';
 
 // Mock react-i18next
@@ -11,47 +11,207 @@ vi.mock('react-i18next', () => ({
 }));
 
 describe('HelpButton', () => {
-  const renderHelpButton = (props: { helpPath: string; className?: string }) => {
+  const renderWithRouter = (initialPath: string) => {
     return render(
-      <BrowserRouter>
-        <HelpButton {...props} />
-      </BrowserRouter>
+      <MemoryRouter initialEntries={[initialPath]}>
+        <HelpButton />
+      </MemoryRouter>
     );
   };
 
-  it('renders help link', () => {
-    renderHelpButton({ helpPath: '/help/dashboard' });
-    const link = screen.getByRole('link');
-    expect(link).toBeInTheDocument();
+  describe('tenant dashboard routes (prefixed with /dashboard)', () => {
+    it('renders help link on tenant dashboard', () => {
+      renderWithRouter('/dashboard');
+      const link = screen.getByRole('link');
+      expect(link).toBeInTheDocument();
+    });
+
+    it('links to /dashboard/help/dashboard for /dashboard', () => {
+      renderWithRouter('/dashboard');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/dashboard');
+    });
+
+    it('links to /dashboard/help/scheduler for /dashboard/scheduler', () => {
+      renderWithRouter('/dashboard/scheduler');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/scheduler');
+    });
+
+    it('links to /dashboard/help/services for /dashboard/services', () => {
+      renderWithRouter('/dashboard/services');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/services');
+    });
+
+    it('links to /dashboard/help/resources for /dashboard/resources', () => {
+      renderWithRouter('/dashboard/resources');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/resources');
+    });
+
+    it('links to /dashboard/help/settings/general for /dashboard/settings/general', () => {
+      renderWithRouter('/dashboard/settings/general');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/settings/general');
+    });
+
+    it('links to /dashboard/help/customers for /dashboard/customers/123', () => {
+      renderWithRouter('/dashboard/customers/123');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/customers');
+    });
+
+    it('returns null on /dashboard/help pages', () => {
+      const { container } = renderWithRouter('/dashboard/help/dashboard');
+      expect(container.firstChild).toBeNull();
+    });
+
+    it('links to /dashboard/help for unknown dashboard routes', () => {
+      renderWithRouter('/dashboard/unknown-route');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help');
+    });
+
+    it('links to /dashboard/help/site-builder for /dashboard/site-editor', () => {
+      renderWithRouter('/dashboard/site-editor');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/site-builder');
+    });
+
+    it('links to /dashboard/help/site-builder for /dashboard/gallery', () => {
+      renderWithRouter('/dashboard/gallery');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/site-builder');
+    });
+
+    it('links to /dashboard/help/locations for /dashboard/locations', () => {
+      renderWithRouter('/dashboard/locations');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/locations');
+    });
+
+    it('links to /dashboard/help/settings/business-hours for /dashboard/settings/business-hours', () => {
+      renderWithRouter('/dashboard/settings/business-hours');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/settings/business-hours');
+    });
+
+    it('links to /dashboard/help/settings/email-templates for /dashboard/settings/email-templates', () => {
+      renderWithRouter('/dashboard/settings/email-templates');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/settings/email-templates');
+    });
+
+    it('links to /dashboard/help/settings/embed-widget for /dashboard/settings/embed-widget', () => {
+      renderWithRouter('/dashboard/settings/embed-widget');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/settings/embed-widget');
+    });
+
+    it('links to /dashboard/help/settings/staff-roles for /dashboard/settings/staff-roles', () => {
+      renderWithRouter('/dashboard/settings/staff-roles');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/settings/staff-roles');
+    });
+
+    it('links to /dashboard/help/settings/communication for /dashboard/settings/sms-calling', () => {
+      renderWithRouter('/dashboard/settings/sms-calling');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/dashboard/help/settings/communication');
+    });
   });
 
-  it('has correct href', () => {
-    renderHelpButton({ helpPath: '/help/dashboard' });
-    const link = screen.getByRole('link');
-    expect(link).toHaveAttribute('href', '/help/dashboard');
+  describe('non-dashboard routes (public/platform)', () => {
+    it('links to /help/scheduler for /scheduler', () => {
+      renderWithRouter('/scheduler');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/scheduler');
+    });
+
+    it('links to /help/services for /services', () => {
+      renderWithRouter('/services');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/services');
+    });
+
+    it('links to /help/resources for /resources', () => {
+      renderWithRouter('/resources');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/resources');
+    });
+
+    it('links to /help/settings/general for /settings/general', () => {
+      renderWithRouter('/settings/general');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/settings/general');
+    });
+
+    it('links to /help/locations for /locations', () => {
+      renderWithRouter('/locations');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/locations');
+    });
+
+    it('links to /help/settings/business-hours for /settings/business-hours', () => {
+      renderWithRouter('/settings/business-hours');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/settings/business-hours');
+    });
+
+    it('links to /help/settings/email-templates for /settings/email-templates', () => {
+      renderWithRouter('/settings/email-templates');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/settings/email-templates');
+    });
+
+    it('links to /help/settings/embed-widget for /settings/embed-widget', () => {
+      renderWithRouter('/settings/embed-widget');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/settings/embed-widget');
+    });
+
+    it('links to /help/settings/staff-roles for /settings/staff-roles', () => {
+      renderWithRouter('/settings/staff-roles');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/settings/staff-roles');
+    });
+
+    it('links to /help/settings/communication for /settings/sms-calling', () => {
+      renderWithRouter('/settings/sms-calling');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/settings/communication');
+    });
+
+    it('returns null on /help pages', () => {
+      const { container } = renderWithRouter('/help/dashboard');
+      expect(container.firstChild).toBeNull();
+    });
+
+    it('links to /help for unknown routes', () => {
+      renderWithRouter('/unknown-route');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help');
+    });
+
+    it('handles dynamic routes by matching prefix', () => {
+      renderWithRouter('/customers/123');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('href', '/help/customers');
+    });
   });
 
-  it('renders help text', () => {
-    renderHelpButton({ helpPath: '/help/test' });
-    expect(screen.getByText('Help')).toBeInTheDocument();
-  });
+  describe('accessibility', () => {
+    it('has aria-label', () => {
+      renderWithRouter('/dashboard');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('aria-label', 'Help');
+    });
 
-  it('has title attribute', () => {
-    renderHelpButton({ helpPath: '/help/test' });
-    const link = screen.getByRole('link');
-    expect(link).toHaveAttribute('title', 'Help');
-  });
-
-  it('applies custom className', () => {
-    renderHelpButton({ helpPath: '/help/test', className: 'custom-class' });
-    const link = screen.getByRole('link');
-    expect(link).toHaveClass('custom-class');
-  });
-
-  it('has default styles', () => {
-    renderHelpButton({ helpPath: '/help/test' });
-    const link = screen.getByRole('link');
-    expect(link).toHaveClass('inline-flex');
-    expect(link).toHaveClass('items-center');
+    it('has title attribute', () => {
+      renderWithRouter('/dashboard');
+      const link = screen.getByRole('link');
+      expect(link).toHaveAttribute('title', 'Help');
+    });
   });
 });
diff --git a/frontend/src/components/email/EmailComposer.tsx b/frontend/src/components/email/EmailComposer.tsx
new file mode 100644
index 00000000..43d0adda
--- /dev/null
+++ b/frontend/src/components/email/EmailComposer.tsx
@@ -0,0 +1,420 @@
+/**
+ * Email Composer Component
+ *
+ * Compose, reply, and forward emails with rich text editing.
+ */
+
+import React, { useState, useEffect, useRef } from 'react';
+import { useTranslation } from 'react-i18next';
+import {
+  X,
+  Send,
+  Paperclip,
+  Trash2,
+  Minimize2,
+  Maximize2,
+  Bold,
+  Italic,
+  Underline,
+  List,
+  ListOrdered,
+  Link,
+  Loader2,
+} from 'lucide-react';
+import { StaffEmail, StaffEmailCreateDraft } from '../../types';
+import {
+  useCreateDraft,
+  useUpdateDraft,
+  useSendEmail,
+  useUploadAttachment,
+  useContactSearch,
+  useUserEmailAddresses,
+} from '../../hooks/useStaffEmail';
+import toast from 'react-hot-toast';
+
+interface EmailComposerProps {
+  replyTo?: StaffEmail | null;
+  forwardFrom?: StaffEmail | null;
+  onClose: () => void;
+  onSent: () => void;
+}
+
+const EmailComposer: React.FC<EmailComposerProps> = ({
+  replyTo,
+  forwardFrom,
+  onClose,
+  onSent,
+}) => {
+  const { t } = useTranslation();
+  const textareaRef = useRef<HTMLTextAreaElement>(null);
+
+  // Get available email addresses for sending (only those assigned to current user)
+  const { data: userEmailAddresses = [] } = useUserEmailAddresses();
+
+  // Form state
+  const [fromAddressId, setFromAddressId] = useState<number | null>(null);
+  const [to, setTo] = useState('');
+  const [cc, setCc] = useState('');
+  const [bcc, setBcc] = useState('');
+  const [subject, setSubject] = useState('');
+  const [body, setBody] = useState('');
+  const [showCc, setShowCc] = useState(false);
+  const [showBcc, setShowBcc] = useState(false);
+  const [isMinimized, setIsMinimized] = useState(false);
+  const [draftId, setDraftId] = useState<number | null>(null);
+
+  // Contact search
+  const [toQuery, setToQuery] = useState('');
+  const { data: contactSuggestions = [] } = useContactSearch(toQuery);
+
+  // Mutations
+  const createDraft = useCreateDraft();
+  const updateDraft = useUpdateDraft();
+  const sendEmail = useSendEmail();
+  const uploadAttachment = useUploadAttachment();
+
+  // Initialize form for reply/forward
+  useEffect(() => {
+    if (replyTo) {
+      // Reply mode
+      setTo(replyTo.fromAddress);
+      setSubject(replyTo.subject.startsWith('Re:') ? replyTo.subject : `Re: ${replyTo.subject}`);
+      setBody(`\n\n---\nOn ${new Date(replyTo.emailDate).toLocaleString()}, ${replyTo.fromName || replyTo.fromAddress} wrote:\n\n${replyTo.bodyText}`);
+    } else if (forwardFrom) {
+      // Forward mode
+      setSubject(forwardFrom.subject.startsWith('Fwd:') ? forwardFrom.subject : `Fwd: ${forwardFrom.subject}`);
+      setBody(`\n\n---\nForwarded message:\nFrom: ${forwardFrom.fromName || forwardFrom.fromAddress} <${forwardFrom.fromAddress}>\nDate: ${new Date(forwardFrom.emailDate).toLocaleString()}\nSubject: ${forwardFrom.subject}\nTo: ${forwardFrom.toAddresses.join(', ')}\n\n${forwardFrom.bodyText}`);
+    }
+  }, [replyTo, forwardFrom]);
+
+  // Set default from address
+  useEffect(() => {
+    if (!fromAddressId && userEmailAddresses.length > 0) {
+      setFromAddressId(userEmailAddresses[0].id);
+    }
+  }, [userEmailAddresses, fromAddressId]);
+
+  const parseAddresses = (input: string): string[] => {
+    return input
+      .split(/[,;]/)
+      .map((addr) => addr.trim())
+      .filter((addr) => addr.length > 0);
+  };
+
+  const handleSend = async () => {
+    if (!fromAddressId) {
+      toast.error('Please select a From address');
+      return;
+    }
+
+    const toAddresses = parseAddresses(to);
+    if (toAddresses.length === 0) {
+      toast.error('Please enter at least one recipient');
+      return;
+    }
+
+    try {
+      // Create or update draft first
+      let emailId = draftId;
+
+      const draftData: StaffEmailCreateDraft = {
+        emailAddressId: fromAddressId,
+        toAddresses,
+        ccAddresses: parseAddresses(cc),
+        bccAddresses: parseAddresses(bcc),
+        subject: subject || '(No Subject)',
+        bodyText: body,
+        bodyHtml: `<div style="white-space: pre-wrap;">${body.replace(/</g, '&lt;').replace(/>/g, '&gt;')}</div>`,
+        inReplyTo: replyTo?.id,
+        threadId: replyTo?.threadId || undefined,
+      };
+
+      if (emailId) {
+        await updateDraft.mutateAsync({ id: emailId, data: draftData });
+      } else {
+        const draft = await createDraft.mutateAsync(draftData);
+        emailId = draft.id;
+        setDraftId(emailId);
+      }
+
+      // Send the email
+      await sendEmail.mutateAsync(emailId);
+      toast.success('Email sent');
+      onSent();
+    } catch (error: any) {
+      toast.error(error.response?.data?.error || 'Failed to send email');
+    }
+  };
+
+  const handleSaveDraft = async () => {
+    if (!fromAddressId) {
+      toast.error('Please select a From address');
+      return;
+    }
+
+    try {
+      const draftData: StaffEmailCreateDraft = {
+        emailAddressId: fromAddressId,
+        toAddresses: parseAddresses(to),
+        ccAddresses: parseAddresses(cc),
+        bccAddresses: parseAddresses(bcc),
+        subject: subject || '(No Subject)',
+        bodyText: body,
+        bodyHtml: `<div style="white-space: pre-wrap;">${body.replace(/</g, '&lt;').replace(/>/g, '&gt;')}</div>`,
+        inReplyTo: replyTo?.id,
+        threadId: replyTo?.threadId || undefined,
+      };
+
+      if (draftId) {
+        await updateDraft.mutateAsync({ id: draftId, data: draftData });
+      } else {
+        const draft = await createDraft.mutateAsync(draftData);
+        setDraftId(draft.id);
+      }
+      toast.success('Draft saved');
+    } catch (error: any) {
+      toast.error(error.response?.data?.error || 'Failed to save draft');
+    }
+  };
+
+  const handleFileUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
+    const files = e.target.files;
+    if (!files || files.length === 0) return;
+
+    // TODO: Implement attachment upload when draft is created
+    toast.error('Attachments not yet implemented');
+  };
+
+  const isSending = createDraft.isPending || updateDraft.isPending || sendEmail.isPending;
+
+  if (isMinimized) {
+    return (
+      <div className="fixed bottom-0 right-4 w-80 bg-white dark:bg-gray-800 shadow-lg rounded-t-lg border border-gray-200 dark:border-gray-700 z-50">
+        <div
+          className="flex items-center justify-between px-4 py-2 bg-gray-100 dark:bg-gray-700 rounded-t-lg cursor-pointer"
+          onClick={() => setIsMinimized(false)}
+        >
+          <span className="font-medium text-gray-900 dark:text-white truncate">
+            {subject || 'New Message'}
+          </span>
+          <div className="flex items-center gap-1">
+            <button
+              onClick={(e) => {
+                e.stopPropagation();
+                setIsMinimized(false);
+              }}
+              className="p-1 hover:bg-gray-200 dark:hover:bg-gray-600 rounded"
+            >
+              <Maximize2 size={14} />
+            </button>
+            <button
+              onClick={(e) => {
+                e.stopPropagation();
+                onClose();
+              }}
+              className="p-1 hover:bg-gray-200 dark:hover:bg-gray-600 rounded"
+            >
+              <X size={14} />
+            </button>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="flex-1 flex flex-col bg-white dark:bg-gray-800">
+      {/* Header */}
+      <div className="flex items-center justify-between px-4 py-2 border-b border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800">
+        <span className="font-medium text-gray-900 dark:text-white">
+          {replyTo ? 'Reply' : forwardFrom ? 'Forward' : 'New Message'}
+        </span>
+        <div className="flex items-center gap-1">
+          <button
+            onClick={() => setIsMinimized(true)}
+            className="p-1.5 text-gray-500 hover:bg-gray-200 dark:hover:bg-gray-700 rounded"
+          >
+            <Minimize2 size={16} />
+          </button>
+          <button
+            onClick={onClose}
+            className="p-1.5 text-gray-500 hover:bg-gray-200 dark:hover:bg-gray-700 rounded"
+          >
+            <X size={16} />
+          </button>
+        </div>
+      </div>
+
+      {/* Form */}
+      <div className="flex-1 flex flex-col overflow-hidden">
+        {/* From */}
+        <div className="flex items-center px-4 py-2 border-b border-gray-100 dark:border-gray-700">
+          <label className="w-16 text-sm text-gray-500 dark:text-gray-400">From:</label>
+          <select
+            value={fromAddressId || ''}
+            onChange={(e) => setFromAddressId(Number(e.target.value))}
+            className="flex-1 bg-transparent border-0 text-sm text-gray-900 dark:text-white focus:ring-0 p-0"
+          >
+            <option value="">Select email address...</option>
+            {userEmailAddresses.map((addr) => (
+              <option key={addr.id} value={addr.id}>
+                {addr.display_name} &lt;{addr.email_address}&gt;
+              </option>
+            ))}
+          </select>
+        </div>
+
+        {/* To */}
+        <div className="flex items-center px-4 py-2 border-b border-gray-100 dark:border-gray-700">
+          <label className="w-16 text-sm text-gray-500 dark:text-gray-400">To:</label>
+          <input
+            type="text"
+            value={to}
+            onChange={(e) => setTo(e.target.value)}
+            placeholder="recipient@example.com"
+            className="flex-1 bg-transparent border-0 text-sm text-gray-900 dark:text-white placeholder-gray-400 focus:ring-0 p-0"
+          />
+          <div className="flex items-center gap-2 text-sm">
+            {!showCc && (
+              <button
+                onClick={() => setShowCc(true)}
+                className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+              >
+                Cc
+              </button>
+            )}
+            {!showBcc && (
+              <button
+                onClick={() => setShowBcc(true)}
+                className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+              >
+                Bcc
+              </button>
+            )}
+          </div>
+        </div>
+
+        {/* Cc */}
+        {showCc && (
+          <div className="flex items-center px-4 py-2 border-b border-gray-100 dark:border-gray-700">
+            <label className="w-16 text-sm text-gray-500 dark:text-gray-400">Cc:</label>
+            <input
+              type="text"
+              value={cc}
+              onChange={(e) => setCc(e.target.value)}
+              placeholder="cc@example.com"
+              className="flex-1 bg-transparent border-0 text-sm text-gray-900 dark:text-white placeholder-gray-400 focus:ring-0 p-0"
+            />
+          </div>
+        )}
+
+        {/* Bcc */}
+        {showBcc && (
+          <div className="flex items-center px-4 py-2 border-b border-gray-100 dark:border-gray-700">
+            <label className="w-16 text-sm text-gray-500 dark:text-gray-400">Bcc:</label>
+            <input
+              type="text"
+              value={bcc}
+              onChange={(e) => setBcc(e.target.value)}
+              placeholder="bcc@example.com"
+              className="flex-1 bg-transparent border-0 text-sm text-gray-900 dark:text-white placeholder-gray-400 focus:ring-0 p-0"
+            />
+          </div>
+        )}
+
+        {/* Subject */}
+        <div className="flex items-center px-4 py-2 border-b border-gray-200 dark:border-gray-700">
+          <label className="w-16 text-sm text-gray-500 dark:text-gray-400">Subject:</label>
+          <input
+            type="text"
+            value={subject}
+            onChange={(e) => setSubject(e.target.value)}
+            placeholder="Email subject"
+            className="flex-1 bg-transparent border-0 text-sm text-gray-900 dark:text-white placeholder-gray-400 focus:ring-0 p-0"
+          />
+        </div>
+
+        {/* Body */}
+        <div className="flex-1 overflow-y-auto p-4">
+          <textarea
+            ref={textareaRef}
+            value={body}
+            onChange={(e) => setBody(e.target.value)}
+            placeholder="Write your message..."
+            className="w-full h-full min-h-[200px] bg-transparent border-0 text-sm text-gray-900 dark:text-white placeholder-gray-400 focus:ring-0 resize-none"
+          />
+        </div>
+
+        {/* Footer toolbar */}
+        <div className="flex items-center justify-between px-4 py-3 border-t border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800">
+          <div className="flex items-center gap-2">
+            <button
+              onClick={handleSend}
+              disabled={isSending}
+              className="inline-flex items-center gap-2 px-4 py-2 bg-brand-600 text-white rounded-lg hover:bg-brand-700 transition-colors disabled:opacity-50"
+            >
+              {isSending ? (
+                <Loader2 size={16} className="animate-spin" />
+              ) : (
+                <Send size={16} />
+              )}
+              {t('staffEmail.send', 'Send')}
+            </button>
+
+            {/* Formatting buttons - placeholder for future rich text */}
+            <div className="flex items-center gap-1 ml-2 border-l border-gray-300 dark:border-gray-600 pl-2">
+              <button
+                className="p-1.5 text-gray-500 hover:bg-gray-200 dark:hover:bg-gray-700 rounded"
+                title="Bold"
+              >
+                <Bold size={16} />
+              </button>
+              <button
+                className="p-1.5 text-gray-500 hover:bg-gray-200 dark:hover:bg-gray-700 rounded"
+                title="Italic"
+              >
+                <Italic size={16} />
+              </button>
+              <button
+                className="p-1.5 text-gray-500 hover:bg-gray-200 dark:hover:bg-gray-700 rounded"
+                title="Underline"
+              >
+                <Underline size={16} />
+              </button>
+            </div>
+
+            {/* Attachments */}
+            <label className="p-1.5 text-gray-500 hover:bg-gray-200 dark:hover:bg-gray-700 rounded cursor-pointer ml-2">
+              <Paperclip size={16} />
+              <input
+                type="file"
+                multiple
+                onChange={handleFileUpload}
+                className="hidden"
+              />
+            </label>
+          </div>
+
+          <div className="flex items-center gap-2">
+            <button
+              onClick={handleSaveDraft}
+              disabled={createDraft.isPending || updateDraft.isPending}
+              className="text-sm text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+            >
+              Save draft
+            </button>
+            <button
+              onClick={onClose}
+              className="p-1.5 text-gray-500 hover:bg-gray-200 dark:hover:bg-gray-700 rounded"
+              title="Discard"
+            >
+              <Trash2 size={16} />
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default EmailComposer;
diff --git a/frontend/src/components/email/EmailViewer.tsx b/frontend/src/components/email/EmailViewer.tsx
new file mode 100644
index 00000000..66829586
--- /dev/null
+++ b/frontend/src/components/email/EmailViewer.tsx
@@ -0,0 +1,389 @@
+/**
+ * Email Viewer Component
+ *
+ * Displays a full email with headers, body, and action buttons.
+ * HTML email content is rendered in a sandboxed iframe for security.
+ */
+
+import React, { useRef, useEffect, useState } from 'react';
+import { useTranslation } from 'react-i18next';
+import {
+  Reply,
+  ReplyAll,
+  Forward,
+  Archive,
+  Trash2,
+  Star,
+  Download,
+  Paperclip,
+  Loader2,
+  FileText,
+  Code,
+  Mail,
+  MailOpen,
+  RotateCcw,
+} from 'lucide-react';
+import { StaffEmail } from '../../types';
+import { format } from 'date-fns';
+
+interface EmailViewerProps {
+  email: StaffEmail;
+  isLoading?: boolean;
+  onReply: () => void;
+  onReplyAll: () => void;
+  onForward: () => void;
+  onArchive: () => void;
+  onTrash: () => void;
+  onStar: () => void;
+  onMarkRead?: () => void;
+  onMarkUnread?: () => void;
+  onRestore?: () => void;
+  isInTrash?: boolean;
+}
+
+const EmailViewer: React.FC<EmailViewerProps> = ({
+  email,
+  isLoading,
+  onReply,
+  onReplyAll,
+  onForward,
+  onArchive,
+  onTrash,
+  onStar,
+  onMarkRead,
+  onMarkUnread,
+  onRestore,
+  isInTrash,
+}) => {
+  const { t } = useTranslation();
+  const iframeRef = useRef<HTMLIFrameElement>(null);
+  const [viewMode, setViewMode] = useState<'html' | 'text'>('html');
+  const [iframeHeight, setIframeHeight] = useState(300);
+
+  // Update iframe content when email changes
+  useEffect(() => {
+    if (iframeRef.current && email.bodyHtml && viewMode === 'html') {
+      const iframe = iframeRef.current;
+      const doc = iframe.contentDocument || iframe.contentWindow?.document;
+      if (doc) {
+        // Create a safe HTML document with styles
+        const htmlContent = `
+          <!DOCTYPE html>
+          <html>
+          <head>
+            <meta charset="utf-8">
+            <meta name="viewport" content="width=device-width, initial-scale=1">
+            <style>
+              body {
+                font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
+                font-size: 14px;
+                line-height: 1.6;
+                color: #374151;
+                margin: 0;
+                padding: 16px;
+                word-wrap: break-word;
+              }
+              img { max-width: 100%; height: auto; }
+              a { color: #2563eb; }
+              pre, code {
+                background: #f3f4f6;
+                padding: 2px 4px;
+                border-radius: 4px;
+                font-size: 13px;
+              }
+              blockquote {
+                border-left: 3px solid #d1d5db;
+                margin: 8px 0;
+                padding-left: 12px;
+                color: #6b7280;
+              }
+              table { border-collapse: collapse; max-width: 100%; }
+              td, th { padding: 4px 8px; }
+              @media (prefers-color-scheme: dark) {
+                body { background: #1f2937; color: #e5e7eb; }
+                a { color: #60a5fa; }
+                pre, code { background: #374151; }
+                blockquote { border-left-color: #4b5563; color: #9ca3af; }
+              }
+            </style>
+          </head>
+          <body>${email.bodyHtml}</body>
+          </html>
+        `;
+        doc.open();
+        doc.write(htmlContent);
+        doc.close();
+
+        // Adjust iframe height to content
+        const resizeObserver = new ResizeObserver(() => {
+          if (doc.body) {
+            setIframeHeight(Math.max(300, doc.body.scrollHeight + 32));
+          }
+        });
+
+        if (doc.body) {
+          resizeObserver.observe(doc.body);
+          // Initial height
+          setTimeout(() => {
+            if (doc.body) {
+              setIframeHeight(Math.max(300, doc.body.scrollHeight + 32));
+            }
+          }, 100);
+        }
+
+        return () => resizeObserver.disconnect();
+      }
+    }
+  }, [email.bodyHtml, email.id, viewMode]);
+
+  if (isLoading) {
+    return (
+      <div className="flex-1 flex items-center justify-center">
+        <Loader2 size={32} className="animate-spin text-gray-400" />
+      </div>
+    );
+  }
+
+  const formatFileSize = (bytes: number): string => {
+    if (bytes < 1024) return `${bytes} B`;
+    if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
+    return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
+  };
+
+  const formatEmailAddresses = (addresses: string[]): string => {
+    return addresses.join(', ');
+  };
+
+  const hasHtml = !!email.bodyHtml;
+
+  return (
+    <div className="flex-1 flex flex-col overflow-hidden">
+      {/* Toolbar */}
+      <div className="flex items-center justify-between px-4 py-2 border-b border-gray-200 dark:border-gray-700">
+        <div className="flex items-center gap-1">
+          <button
+            onClick={onReply}
+            className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+            title={t('staffEmail.reply', 'Reply')}
+          >
+            <Reply size={18} />
+          </button>
+          <button
+            onClick={onReplyAll}
+            className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+            title={t('staffEmail.replyAll', 'Reply All')}
+          >
+            <ReplyAll size={18} />
+          </button>
+          <button
+            onClick={onForward}
+            className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+            title={t('staffEmail.forward', 'Forward')}
+          >
+            <Forward size={18} />
+          </button>
+          <div className="w-px h-6 bg-gray-300 dark:bg-gray-600 mx-2" />
+          <button
+            onClick={onArchive}
+            className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+            title={t('staffEmail.archive', 'Archive')}
+          >
+            <Archive size={18} />
+          </button>
+          {isInTrash ? (
+            <button
+              onClick={onRestore}
+              className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+              title={t('staffEmail.restore', 'Restore')}
+            >
+              <RotateCcw size={18} />
+            </button>
+          ) : (
+            <button
+              onClick={onTrash}
+              className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+              title={t('staffEmail.trash', 'Delete')}
+            >
+              <Trash2 size={18} />
+            </button>
+          )}
+          <div className="w-px h-6 bg-gray-300 dark:bg-gray-600 mx-2" />
+          {email.isRead ? (
+            <button
+              onClick={onMarkUnread}
+              className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+              title={t('staffEmail.markUnread', 'Mark as unread')}
+            >
+              <Mail size={18} />
+            </button>
+          ) : (
+            <button
+              onClick={onMarkRead}
+              className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+              title={t('staffEmail.markRead', 'Mark as read')}
+            >
+              <MailOpen size={18} />
+            </button>
+          )}
+        </div>
+        <div className="flex items-center gap-2">
+          {/* View mode toggle */}
+          {hasHtml && (
+            <div className="flex items-center border border-gray-300 dark:border-gray-600 rounded-lg overflow-hidden">
+              <button
+                onClick={() => setViewMode('html')}
+                className={`p-1.5 ${
+                  viewMode === 'html'
+                    ? 'bg-gray-100 dark:bg-gray-700 text-gray-900 dark:text-white'
+                    : 'text-gray-500 dark:text-gray-400 hover:bg-gray-50 dark:hover:bg-gray-700'
+                }`}
+                title="HTML view"
+              >
+                <Code size={16} />
+              </button>
+              <button
+                onClick={() => setViewMode('text')}
+                className={`p-1.5 ${
+                  viewMode === 'text'
+                    ? 'bg-gray-100 dark:bg-gray-700 text-gray-900 dark:text-white'
+                    : 'text-gray-500 dark:text-gray-400 hover:bg-gray-50 dark:hover:bg-gray-700'
+                }`}
+                title="Plain text view"
+              >
+                <FileText size={16} />
+              </button>
+            </div>
+          )}
+          <button
+            onClick={onStar}
+            className="p-2 text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+          >
+            <Star
+              size={18}
+              className={email.isStarred ? 'fill-yellow-400 text-yellow-400' : ''}
+            />
+          </button>
+        </div>
+      </div>
+
+      {/* Email header */}
+      <div className="px-6 py-4 border-b border-gray-200 dark:border-gray-700">
+        <h2 className="text-xl font-semibold text-gray-900 dark:text-white mb-4">
+          {email.subject || '(No Subject)'}
+        </h2>
+
+        <div className="flex items-start gap-4">
+          {/* Avatar */}
+          <div className="w-10 h-10 rounded-full bg-brand-100 dark:bg-brand-900/30 flex items-center justify-center text-brand-700 dark:text-brand-400 font-semibold flex-shrink-0">
+            {(email.fromName || email.fromAddress).charAt(0).toUpperCase()}
+          </div>
+
+          <div className="flex-1 min-w-0">
+            <div className="flex items-center justify-between flex-wrap gap-2">
+              <div>
+                <span className="font-medium text-gray-900 dark:text-white">
+                  {email.fromName || email.fromAddress}
+                </span>
+                {email.fromName && (
+                  <span className="text-sm text-gray-500 dark:text-gray-400 ml-2">
+                    &lt;{email.fromAddress}&gt;
+                  </span>
+                )}
+              </div>
+              <span className="text-sm text-gray-500 dark:text-gray-400">
+                {format(new Date(email.emailDate), 'MMM d, yyyy h:mm a')}
+              </span>
+            </div>
+
+            <div className="mt-1 text-sm text-gray-600 dark:text-gray-400">
+              <span className="text-gray-500">To: </span>
+              {formatEmailAddresses(email.toAddresses)}
+            </div>
+
+            {email.ccAddresses && email.ccAddresses.length > 0 && (
+              <div className="text-sm text-gray-600 dark:text-gray-400">
+                <span className="text-gray-500">Cc: </span>
+                {formatEmailAddresses(email.ccAddresses)}
+              </div>
+            )}
+          </div>
+        </div>
+
+        {/* Labels */}
+        {email.labels && email.labels.length > 0 && (
+          <div className="flex items-center gap-2 mt-3">
+            {email.labels.map((label) => (
+              <span
+                key={label.id}
+                className="text-xs px-2 py-1 rounded text-white"
+                style={{ backgroundColor: label.color }}
+              >
+                {label.name}
+              </span>
+            ))}
+          </div>
+        )}
+      </div>
+
+      {/* Attachments */}
+      {email.attachments && email.attachments.length > 0 && (
+        <div className="px-6 py-3 border-b border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800">
+          <div className="flex items-center gap-2 mb-2 text-sm text-gray-600 dark:text-gray-400">
+            <Paperclip size={14} />
+            <span>{email.attachments.length} attachment{email.attachments.length > 1 ? 's' : ''}</span>
+          </div>
+          <div className="flex flex-wrap gap-2">
+            {email.attachments.map((attachment) => (
+              <a
+                key={attachment.id}
+                href={attachment.url}
+                target="_blank"
+                rel="noopener noreferrer"
+                className="flex items-center gap-2 px-3 py-2 bg-white dark:bg-gray-700 border border-gray-200 dark:border-gray-600 rounded-lg hover:bg-gray-50 dark:hover:bg-gray-600 transition-colors"
+              >
+                <Download size={14} className="text-gray-500" />
+                <div className="text-sm">
+                  <div className="font-medium text-gray-900 dark:text-white truncate max-w-[200px]">
+                    {attachment.filename}
+                  </div>
+                  <div className="text-xs text-gray-500 dark:text-gray-400">
+                    {formatFileSize(attachment.size)}
+                  </div>
+                </div>
+              </a>
+            ))}
+          </div>
+        </div>
+      )}
+
+      {/* Email body */}
+      <div className="flex-1 overflow-y-auto">
+        {hasHtml && viewMode === 'html' ? (
+          <iframe
+            ref={iframeRef}
+            title="Email content"
+            sandbox="allow-same-origin"
+            className="w-full border-0"
+            style={{ height: iframeHeight }}
+          />
+        ) : (
+          <div className="px-6 py-4 whitespace-pre-wrap text-gray-700 dark:text-gray-300 font-mono text-sm">
+            {email.bodyText || '(No content)'}
+          </div>
+        )}
+      </div>
+
+      {/* Quick reply bar */}
+      <div className="px-6 py-3 border-t border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-800">
+        <button
+          onClick={onReply}
+          className="w-full text-left px-4 py-3 border border-gray-300 dark:border-gray-600 rounded-lg text-gray-500 dark:text-gray-400 hover:border-brand-500 hover:text-brand-600 dark:hover:text-brand-400 transition-colors"
+        >
+          {t('staffEmail.clickToReply', 'Click here to reply...')}
+        </button>
+      </div>
+    </div>
+  );
+};
+
+export default EmailViewer;
diff --git a/frontend/src/components/email/index.ts b/frontend/src/components/email/index.ts
new file mode 100644
index 00000000..763241cb
--- /dev/null
+++ b/frontend/src/components/email/index.ts
@@ -0,0 +1,8 @@
+/**
+ * Email Components
+ *
+ * Components for the staff email client.
+ */
+
+export { default as EmailViewer } from './EmailViewer';
+export { default as EmailComposer } from './EmailComposer';
diff --git a/frontend/src/hooks/useAuth.ts b/frontend/src/hooks/useAuth.ts
index e024ed1f..3d1b79a6 100644
--- a/frontend/src/hooks/useAuth.ts
+++ b/frontend/src/hooks/useAuth.ts
@@ -102,11 +102,20 @@ export const useLogout = () => {
       queryClient.removeQueries({ queryKey: ['currentUser'] });
       queryClient.clear();
 
-      // Redirect to login page on root domain
+      // Redirect to appropriate login page based on current subdomain
       const protocol = window.location.protocol;
       const baseDomain = getBaseDomain();
       const port = window.location.port ? `:${window.location.port}` : '';
-      window.location.href = `${protocol}//${baseDomain}${port}/login`;
+      const hostname = window.location.hostname;
+
+      // Check if on platform subdomain
+      if (hostname.startsWith('platform.')) {
+        // Platform users go to platform login page
+        window.location.href = `${protocol}//platform.${baseDomain}${port}/platform/login`;
+      } else {
+        // Business users go to their subdomain's login page
+        window.location.href = `${protocol}//${hostname}${port}/login`;
+      }
     },
   });
 };
diff --git a/frontend/src/hooks/useStaffEmail.ts b/frontend/src/hooks/useStaffEmail.ts
new file mode 100644
index 00000000..f42eef98
--- /dev/null
+++ b/frontend/src/hooks/useStaffEmail.ts
@@ -0,0 +1,514 @@
+/**
+ * Staff Email Hooks
+ *
+ * React Query hooks for the platform staff email client.
+ * Provides data fetching, mutations, and caching for the email UI.
+ */
+
+import { useQuery, useMutation, useQueryClient, useInfiniteQuery } from '@tanstack/react-query';
+import * as staffEmailApi from '../api/staffEmail';
+import {
+  StaffEmailFolder,
+  StaffEmail,
+  StaffEmailListItem,
+  StaffEmailLabel,
+  StaffEmailFilters,
+  StaffEmailCreateDraft,
+  StaffEmailMove,
+  StaffEmailBulkAction,
+  StaffEmailReply,
+  StaffEmailForward,
+  EmailContactSuggestion,
+} from '../types';
+
+// Query keys for cache management
+export const staffEmailKeys = {
+  all: ['staffEmail'] as const,
+  folders: () => [...staffEmailKeys.all, 'folders'] as const,
+  emails: () => [...staffEmailKeys.all, 'emails'] as const,
+  // Use explicit key parts instead of object to ensure proper cache separation
+  emailList: (filters: StaffEmailFilters) => [
+    ...staffEmailKeys.emails(),
+    'list',
+    'folder',
+    filters.folderId ?? 'none',
+    'account',
+    filters.emailAddressId ?? 'none',
+    'search',
+    filters.search ?? '',
+  ] as const,
+  emailDetail: (id: number) => [...staffEmailKeys.emails(), 'detail', id] as const,
+  emailThread: (threadId: string) => [...staffEmailKeys.emails(), 'thread', threadId] as const,
+  labels: () => [...staffEmailKeys.all, 'labels'] as const,
+  contacts: (query: string) => [...staffEmailKeys.all, 'contacts', query] as const,
+  userEmailAddresses: () => [...staffEmailKeys.all, 'userEmailAddresses'] as const,
+};
+
+// ============================================================================
+// Folder Hooks
+// ============================================================================
+
+export const useStaffEmailFolders = () => {
+  return useQuery<StaffEmailFolder[]>({
+    queryKey: staffEmailKeys.folders(),
+    queryFn: staffEmailApi.getFolders,
+    staleTime: 30000, // 30 seconds
+  });
+};
+
+export const useCreateStaffEmailFolder = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (name: string) => staffEmailApi.createFolder(name),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useUpdateStaffEmailFolder = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, name }: { id: number; name: string }) => staffEmailApi.updateFolder(id, name),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useDeleteStaffEmailFolder = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.deleteFolder(id),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+// ============================================================================
+// Email List Hooks
+// ============================================================================
+
+export const useStaffEmails = (filters: StaffEmailFilters = {}, pageSize: number = 50) => {
+  const queryKey = staffEmailKeys.emailList(filters);
+
+  // Debug logging
+  console.log('[useStaffEmails] Hook called with:', { filters, queryKey, enabled: !!filters.folderId });
+
+  return useInfiniteQuery({
+    queryKey,
+    queryFn: async ({ pageParam = 1 }) => {
+      console.log('[useStaffEmails] queryFn executing with:', { filters, pageParam });
+      return staffEmailApi.getEmails(filters, pageParam, pageSize);
+    },
+    initialPageParam: 1,
+    getNextPageParam: (lastPage, allPages) => {
+      if (lastPage.next) {
+        return allPages.length + 1;
+      }
+      return undefined;
+    },
+    staleTime: 10000, // 10 seconds
+    // Only fetch when a folder is selected to prevent showing all emails
+    enabled: !!filters.folderId,
+    // Ensure fresh data when filters change
+    refetchOnMount: true,
+  });
+};
+
+export const useStaffEmailList = (filters: StaffEmailFilters = {}, page: number = 1, pageSize: number = 50) => {
+  return useQuery({
+    queryKey: [...staffEmailKeys.emailList(filters), page],
+    queryFn: () => staffEmailApi.getEmails(filters, page, pageSize),
+    staleTime: 10000,
+  });
+};
+
+// ============================================================================
+// Single Email Hooks
+// ============================================================================
+
+export const useStaffEmail = (id: number | undefined) => {
+  return useQuery<StaffEmail>({
+    queryKey: staffEmailKeys.emailDetail(id!),
+    queryFn: () => staffEmailApi.getEmail(id!),
+    enabled: !!id,
+  });
+};
+
+export const useStaffEmailThread = (threadId: string | undefined) => {
+  return useQuery<StaffEmail[]>({
+    queryKey: staffEmailKeys.emailThread(threadId!),
+    queryFn: () => staffEmailApi.getEmailThread(threadId!),
+    enabled: !!threadId,
+  });
+};
+
+// ============================================================================
+// Draft Hooks
+// ============================================================================
+
+export const useCreateDraft = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (data: StaffEmailCreateDraft) => staffEmailApi.createDraft(data),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useUpdateDraft = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, data }: { id: number; data: Partial<StaffEmailCreateDraft> }) =>
+      staffEmailApi.updateDraft(id, data),
+    onSuccess: (_, variables) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(variables.id) });
+    },
+  });
+};
+
+export const useDeleteDraft = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.deleteDraft(id),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+// ============================================================================
+// Send/Reply/Forward Hooks
+// ============================================================================
+
+export const useSendEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.sendEmail(id),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useReplyToEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, data }: { id: number; data: StaffEmailReply }) =>
+      staffEmailApi.replyToEmail(id, data),
+    onSuccess: (_, variables) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(variables.id) });
+    },
+  });
+};
+
+export const useForwardEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, data }: { id: number; data: StaffEmailForward }) =>
+      staffEmailApi.forwardEmail(id, data),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+// ============================================================================
+// Email Action Hooks
+// ============================================================================
+
+export const useMarkAsRead = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.markAsRead(id),
+    onSuccess: (_, id) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(id) });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+    // Optimistic update
+    onMutate: async (id) => {
+      await queryClient.cancelQueries({ queryKey: staffEmailKeys.emailDetail(id) });
+      const previousEmail = queryClient.getQueryData<StaffEmail>(staffEmailKeys.emailDetail(id));
+      if (previousEmail) {
+        queryClient.setQueryData<StaffEmail>(staffEmailKeys.emailDetail(id), {
+          ...previousEmail,
+          isRead: true,
+        });
+      }
+      return { previousEmail };
+    },
+    onError: (err, id, context) => {
+      if (context?.previousEmail) {
+        queryClient.setQueryData(staffEmailKeys.emailDetail(id), context.previousEmail);
+      }
+    },
+  });
+};
+
+export const useMarkAsUnread = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.markAsUnread(id),
+    onSuccess: (_, id) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(id) });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useStarEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.starEmail(id),
+    onSuccess: (_, id) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(id) });
+    },
+    // Optimistic update
+    onMutate: async (id) => {
+      await queryClient.cancelQueries({ queryKey: staffEmailKeys.emailDetail(id) });
+      const previousEmail = queryClient.getQueryData<StaffEmail>(staffEmailKeys.emailDetail(id));
+      if (previousEmail) {
+        queryClient.setQueryData<StaffEmail>(staffEmailKeys.emailDetail(id), {
+          ...previousEmail,
+          isStarred: true,
+        });
+      }
+      return { previousEmail };
+    },
+    onError: (err, id, context) => {
+      if (context?.previousEmail) {
+        queryClient.setQueryData(staffEmailKeys.emailDetail(id), context.previousEmail);
+      }
+    },
+  });
+};
+
+export const useUnstarEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.unstarEmail(id),
+    onSuccess: (_, id) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(id) });
+    },
+  });
+};
+
+export const useArchiveEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.archiveEmail(id),
+    onSuccess: () => {
+      // Reset and refetch all email list queries
+      queryClient.resetQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useTrashEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.trashEmail(id),
+    onSuccess: () => {
+      // Reset and refetch all email list queries
+      queryClient.resetQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useRestoreEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.restoreEmail(id),
+    onSuccess: () => {
+      queryClient.resetQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const usePermanentlyDeleteEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.permanentlyDeleteEmail(id),
+    onSuccess: () => {
+      queryClient.resetQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useMoveEmails = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (data: StaffEmailMove) => staffEmailApi.moveEmails(data),
+    onSuccess: () => {
+      queryClient.resetQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useBulkEmailAction = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (data: StaffEmailBulkAction) => staffEmailApi.bulkAction(data),
+    onSuccess: () => {
+      queryClient.resetQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+// ============================================================================
+// Label Hooks
+// ============================================================================
+
+export const useStaffEmailLabels = () => {
+  return useQuery<StaffEmailLabel[]>({
+    queryKey: staffEmailKeys.labels(),
+    queryFn: staffEmailApi.getLabels,
+    staleTime: 60000, // 1 minute
+  });
+};
+
+export const useCreateLabel = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ name, color }: { name: string; color: string }) =>
+      staffEmailApi.createLabel(name, color),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.labels() });
+    },
+  });
+};
+
+export const useUpdateLabel = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, data }: { id: number; data: { name?: string; color?: string } }) =>
+      staffEmailApi.updateLabel(id, data),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.labels() });
+    },
+  });
+};
+
+export const useDeleteLabel = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.deleteLabel(id),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.labels() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+    },
+  });
+};
+
+export const useAddLabelToEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ emailId, labelId }: { emailId: number; labelId: number }) =>
+      staffEmailApi.addLabelToEmail(emailId, labelId),
+    onSuccess: (_, { emailId }) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(emailId) });
+    },
+  });
+};
+
+export const useRemoveLabelFromEmail = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: ({ emailId, labelId }: { emailId: number; labelId: number }) =>
+      staffEmailApi.removeLabelFromEmail(emailId, labelId),
+    onSuccess: (_, { emailId }) => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emailDetail(emailId) });
+    },
+  });
+};
+
+// ============================================================================
+// Contact Search Hook
+// ============================================================================
+
+export const useContactSearch = (query: string) => {
+  return useQuery<EmailContactSuggestion[]>({
+    queryKey: staffEmailKeys.contacts(query),
+    queryFn: () => staffEmailApi.searchContacts(query),
+    enabled: query.length >= 2,
+    staleTime: 30000,
+  });
+};
+
+// ============================================================================
+// Attachment Hook
+// ============================================================================
+
+export const useUploadAttachment = () => {
+  return useMutation({
+    mutationFn: ({ file, emailId }: { file: File; emailId?: number }) =>
+      staffEmailApi.uploadAttachment(file, emailId),
+  });
+};
+
+export const useDeleteAttachment = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => staffEmailApi.deleteAttachment(id),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+    },
+  });
+};
+
+// ============================================================================
+// Sync Hook
+// ============================================================================
+
+export const useSyncEmails = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: () => staffEmailApi.syncEmails(),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+      queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+    },
+  });
+};
+
+export const useFullSyncEmails = () => {
+  const queryClient = useQueryClient();
+  return useMutation({
+    mutationFn: () => staffEmailApi.fullSyncEmails(),
+    onSuccess: () => {
+      // Invalidate after a delay to allow sync to complete
+      setTimeout(() => {
+        queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+        queryClient.invalidateQueries({ queryKey: staffEmailKeys.folders() });
+        queryClient.invalidateQueries({ queryKey: staffEmailKeys.userEmailAddresses() });
+      }, 2000);
+    },
+  });
+};
+
+// ============================================================================
+// User Email Addresses Hook
+// ============================================================================
+
+export const useUserEmailAddresses = () => {
+  return useQuery({
+    queryKey: staffEmailKeys.userEmailAddresses(),
+    queryFn: staffEmailApi.getUserEmailAddresses,
+    staleTime: 60000, // 1 minute
+  });
+};
diff --git a/frontend/src/hooks/useStaffEmailWebSocket.ts b/frontend/src/hooks/useStaffEmailWebSocket.ts
new file mode 100644
index 00000000..9b6fee02
--- /dev/null
+++ b/frontend/src/hooks/useStaffEmailWebSocket.ts
@@ -0,0 +1,345 @@
+import { useEffect, useRef, useCallback, useState } from 'react';
+import { useQueryClient } from '@tanstack/react-query';
+import { toast } from 'react-hot-toast';
+import { useCurrentUser } from './useAuth';
+import { getBaseDomain } from '../utils/domain';
+import { getCookie } from '../utils/cookies';
+
+/**
+ * Event types sent by the staff email WebSocket consumer
+ */
+type StaffEmailEventType =
+  | 'new_email'
+  | 'email_read'
+  | 'email_unread'
+  | 'email_moved'
+  | 'email_deleted'
+  | 'folder_counts'
+  | 'sync_started'
+  | 'sync_completed'
+  | 'sync_error';
+
+interface NewEmailData {
+  id?: number;
+  subject?: string;
+  from_name?: string;
+  from_address?: string;
+  snippet?: string;
+  folder_id?: number;
+  email_address_id?: number;
+}
+
+interface FolderCountData {
+  [folderId: string]: {
+    unread_count?: number;
+    total_count?: number;
+    folder_type?: string;
+  };
+}
+
+interface SyncStatusData {
+  email_address_id?: number;
+  results?: Record<string, number>;
+  new_count?: number;
+  message?: string;
+  details?: {
+    results?: Record<string, number>;
+    new_count?: number;
+    message?: string;
+  };
+}
+
+type StaffEmailData = NewEmailData | FolderCountData | SyncStatusData;
+
+interface StaffEmailWebSocketMessage {
+  type: StaffEmailEventType;
+  data: StaffEmailData;
+}
+
+interface UseStaffEmailWebSocketOptions {
+  /** Show toast notifications for events (default: true) */
+  showToasts?: boolean;
+  /** Callback when a new email arrives */
+  onNewEmail?: (data: NewEmailData) => void;
+  /** Callback when sync completes */
+  onSyncComplete?: (data: SyncStatusData) => void;
+  /** Callback when folder counts update */
+  onFolderCountsUpdate?: (data: FolderCountData) => void;
+  /** Callback when sync starts */
+  onSyncStarted?: (data: SyncStatusData) => void;
+  /** Callback when sync errors */
+  onSyncError?: (data: SyncStatusData) => void;
+}
+
+interface StaffEmailWebSocketResult {
+  /** Whether the WebSocket is currently connected */
+  isConnected: boolean;
+  /** Whether a sync is currently in progress */
+  isSyncing: boolean;
+  /** Manually reconnect the WebSocket */
+  reconnect: () => void;
+  /** Send a message to the WebSocket (for future client commands) */
+  send: (data: unknown) => void;
+}
+
+/**
+ * Custom hook to manage WebSocket connection for real-time staff email updates.
+ * Automatically invalidates React Query cache when email changes occur.
+ *
+ * @example
+ * ```tsx
+ * const { isConnected, isSyncing } = useStaffEmailWebSocket({
+ *   showToasts: true,
+ *   onNewEmail: (data) => {
+ *     console.log('New email:', data.subject);
+ *   },
+ *   onSyncComplete: () => {
+ *     console.log('Email sync finished');
+ *   },
+ * });
+ * ```
+ */
+export const useStaffEmailWebSocket = (
+  options: UseStaffEmailWebSocketOptions = {}
+): StaffEmailWebSocketResult => {
+  const {
+    showToasts = true,
+    onNewEmail,
+    onSyncComplete,
+    onFolderCountsUpdate,
+    onSyncStarted,
+    onSyncError,
+  } = options;
+
+  const wsRef = useRef<WebSocket | null>(null);
+  const reconnectTimeoutRef = useRef<NodeJS.Timeout | null>(null);
+  const reconnectAttempts = useRef(0);
+  const maxReconnectAttempts = 5;
+  const [isConnected, setIsConnected] = useState(false);
+  const [isSyncing, setIsSyncing] = useState(false);
+  const { data: user } = useCurrentUser();
+  const queryClient = useQueryClient();
+
+  const handleMessage = useCallback(
+    (event: MessageEvent) => {
+      try {
+        const message: StaffEmailWebSocketMessage = JSON.parse(event.data);
+        console.log('Staff Email WebSocket message received:', message);
+
+        switch (message.type) {
+          case 'new_email': {
+            const data = message.data as NewEmailData;
+            // Invalidate email list and folders
+            queryClient.invalidateQueries({ queryKey: ['staff-emails'] });
+            queryClient.invalidateQueries({ queryKey: ['staff-email-folders'] });
+            if (showToasts) {
+              toast.success(
+                `New email from ${data.from_name || data.from_address || 'Unknown'}`,
+                {
+                  duration: 5000,
+                  position: 'top-right',
+                  icon: '📧',
+                }
+              );
+            }
+            onNewEmail?.(data);
+            break;
+          }
+
+          case 'email_read':
+          case 'email_unread':
+          case 'email_moved':
+          case 'email_deleted': {
+            const data = message.data as NewEmailData;
+            // Invalidate email list and specific email
+            queryClient.invalidateQueries({ queryKey: ['staff-emails'] });
+            queryClient.invalidateQueries({ queryKey: ['staff-email-folders'] });
+            if (data.id) {
+              queryClient.invalidateQueries({
+                queryKey: ['staff-email', data.id],
+              });
+            }
+            break;
+          }
+
+          case 'folder_counts': {
+            const data = message.data as FolderCountData;
+            // Update folder counts without full refetch
+            queryClient.invalidateQueries({ queryKey: ['staff-email-folders'] });
+            onFolderCountsUpdate?.(data);
+            break;
+          }
+
+          case 'sync_started': {
+            const data = message.data as SyncStatusData;
+            setIsSyncing(true);
+            if (showToasts) {
+              toast.loading('Syncing emails...', {
+                id: 'email-sync',
+                position: 'bottom-right',
+              });
+            }
+            onSyncStarted?.(data);
+            break;
+          }
+
+          case 'sync_completed': {
+            const data = message.data as SyncStatusData;
+            setIsSyncing(false);
+            // Invalidate all email-related queries
+            queryClient.invalidateQueries({ queryKey: ['staff-emails'] });
+            queryClient.invalidateQueries({ queryKey: ['staff-email-folders'] });
+            queryClient.invalidateQueries({ queryKey: ['staff-email-addresses'] });
+            if (showToasts) {
+              const newCount = data.details?.new_count || data.new_count || 0;
+              toast.success(
+                newCount > 0 ? `Synced ${newCount} new email${newCount === 1 ? '' : 's'}` : 'Emails synced',
+                {
+                  id: 'email-sync',
+                  duration: 3000,
+                  position: 'bottom-right',
+                }
+              );
+            }
+            onSyncComplete?.(data);
+            break;
+          }
+
+          case 'sync_error': {
+            const data = message.data as SyncStatusData;
+            setIsSyncing(false);
+            if (showToasts) {
+              const errorMsg = data.details?.message || data.message || 'Sync failed';
+              toast.error(`Email sync error: ${errorMsg}`, {
+                id: 'email-sync',
+                duration: 5000,
+                position: 'bottom-right',
+              });
+            }
+            onSyncError?.(data);
+            break;
+          }
+
+          default:
+            console.log('Unknown staff email WebSocket message type:', message.type);
+        }
+      } catch (error) {
+        console.error('Error parsing staff email WebSocket message:', error);
+      }
+    },
+    [
+      queryClient,
+      showToasts,
+      onNewEmail,
+      onSyncComplete,
+      onFolderCountsUpdate,
+      onSyncStarted,
+      onSyncError,
+    ]
+  );
+
+  const connect = useCallback(() => {
+    if (!user || !user.id) {
+      return;
+    }
+
+    // Determine WebSocket URL using same logic as API config
+    const baseDomain = getBaseDomain();
+    const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+
+    // For localhost or lvh.me, use port 8000. In production, no port (Traefik handles it)
+    const isDev = baseDomain === 'localhost' || baseDomain === 'lvh.me';
+    const port = isDev ? ':8000' : '';
+
+    const token = getCookie('access_token');
+    const wsUrl = `${protocol}//api.${baseDomain}${port}/ws/staff-email/?token=${token}`;
+
+    console.log('Connecting to staff email WebSocket:', wsUrl);
+
+    try {
+      wsRef.current = new WebSocket(wsUrl);
+
+      wsRef.current.onopen = () => {
+        console.log('Staff Email WebSocket connected');
+        setIsConnected(true);
+        reconnectAttempts.current = 0; // Reset reconnect attempts on successful connection
+      };
+
+      wsRef.current.onmessage = handleMessage;
+
+      wsRef.current.onclose = (event) => {
+        console.log('Staff Email WebSocket disconnected:', event.code, event.reason);
+        setIsConnected(false);
+        setIsSyncing(false);
+
+        // Attempt to reconnect with exponential backoff
+        if (user && user.id && reconnectAttempts.current < maxReconnectAttempts) {
+          const delay = Math.min(1000 * Math.pow(2, reconnectAttempts.current), 30000);
+          reconnectAttempts.current += 1;
+          console.log(
+            `Attempting to reconnect staff email WebSocket in ${delay}ms (attempt ${reconnectAttempts.current})`
+          );
+
+          reconnectTimeoutRef.current = setTimeout(() => {
+            connect();
+          }, delay);
+        }
+      };
+
+      wsRef.current.onerror = (error) => {
+        console.error('Staff Email WebSocket error:', error);
+      };
+    } catch (error) {
+      console.error('Failed to create staff email WebSocket:', error);
+    }
+  }, [user, handleMessage]);
+
+  const reconnect = useCallback(() => {
+    // Clear any existing reconnect timeout
+    if (reconnectTimeoutRef.current) {
+      clearTimeout(reconnectTimeoutRef.current);
+    }
+    // Close existing connection
+    if (wsRef.current) {
+      wsRef.current.close();
+      wsRef.current = null;
+    }
+    // Reset reconnect attempts
+    reconnectAttempts.current = 0;
+    // Connect
+    connect();
+  }, [connect]);
+
+  const send = useCallback((data: unknown) => {
+    if (wsRef.current && wsRef.current.readyState === WebSocket.OPEN) {
+      wsRef.current.send(JSON.stringify(data));
+    } else {
+      console.warn('Cannot send message: WebSocket is not connected');
+    }
+  }, []);
+
+  useEffect(() => {
+    connect();
+
+    return () => {
+      // Clear reconnect timeout
+      if (reconnectTimeoutRef.current) {
+        clearTimeout(reconnectTimeoutRef.current);
+      }
+      // Close WebSocket
+      if (wsRef.current) {
+        wsRef.current.close();
+        wsRef.current = null;
+      }
+    };
+  }, [connect]);
+
+  return {
+    isConnected,
+    isSyncing,
+    reconnect,
+    send,
+  };
+};
+
+export default useStaffEmailWebSocket;
diff --git a/frontend/src/i18n/locales/en.json b/frontend/src/i18n/locales/en.json
index 9d3bf75f..69594edb 100644
--- a/frontend/src/i18n/locales/en.json
+++ b/frontend/src/i18n/locales/en.json
@@ -4041,5 +4041,49 @@
       "description": "Can't find what you're looking for? Our support team is ready to help.",
       "contactSupport": "Contact Support"
     }
+  },
+  "staffEmail": {
+    "title": "Staff Email",
+    "compose": "Compose",
+    "inbox": "Inbox",
+    "sent": "Sent",
+    "drafts": "Drafts",
+    "trash": "Trash",
+    "archive": "Archive",
+    "spam": "Spam",
+    "folders": "Folders",
+    "labels": "Labels",
+    "noEmails": "No emails",
+    "selectEmail": "Select an email to read",
+    "searchPlaceholder": "Search emails...",
+    "reply": "Reply",
+    "replyAll": "Reply All",
+    "forward": "Forward",
+    "markAsRead": "Mark as read",
+    "markAsUnread": "Mark as unread",
+    "star": "Star",
+    "unstar": "Unstar",
+    "moveToTrash": "Move to trash",
+    "delete": "Delete",
+    "restore": "Restore",
+    "send": "Send",
+    "saveDraft": "Save draft",
+    "discard": "Discard",
+    "to": "To",
+    "cc": "Cc",
+    "bcc": "Bcc",
+    "subject": "Subject",
+    "from": "From",
+    "date": "Date",
+    "attachments": "Attachments",
+    "clickToReply": "Click here to reply...",
+    "newMessage": "New Message",
+    "emailSent": "Email sent",
+    "draftSaved": "Draft saved",
+    "emailArchived": "Email archived",
+    "emailTrashed": "Email moved to trash",
+    "emailRestored": "Email restored",
+    "syncComplete": "Emails synced",
+    "syncFailed": "Failed to sync emails"
   }
 }
diff --git a/frontend/src/layouts/BusinessLayout.tsx b/frontend/src/layouts/BusinessLayout.tsx
index a21199d2..05fe83ec 100644
--- a/frontend/src/layouts/BusinessLayout.tsx
+++ b/frontend/src/layouts/BusinessLayout.tsx
@@ -10,7 +10,6 @@ import { Business, User } from '../types';
 import MasqueradeBanner from '../components/MasqueradeBanner';
 import OnboardingWizard from '../components/OnboardingWizard';
 import TicketModal from '../components/TicketModal';
-import FloatingHelpButton from '../components/FloatingHelpButton';
 import { useStopMasquerade } from '../hooks/useAuth';
 import { useNotificationWebSocket } from '../hooks/useNotificationWebSocket';
 import { useTicket } from '../hooks/useTickets';
@@ -183,9 +182,6 @@ const BusinessLayoutContent: React.FC<BusinessLayoutProps> = ({ business, user,
 
   return (
     <div className="flex h-full bg-gray-50 dark:bg-gray-900 transition-colors duration-200">
-      {/* Floating Help Button */}
-      <FloatingHelpButton />
-
       <div className={`fixed inset-y-0 left-0 z-40 transform ${isMobileMenuOpen ? 'translate-x-0' : '-translate-x-full'} transition-transform duration-300 ease-in-out md:hidden`}>
         <Sidebar business={business} user={user} isCollapsed={false} toggleCollapse={() => { }} />
       </div>
diff --git a/frontend/src/layouts/ManagerLayout.tsx b/frontend/src/layouts/ManagerLayout.tsx
index 1481d62c..2dfd9323 100644
--- a/frontend/src/layouts/ManagerLayout.tsx
+++ b/frontend/src/layouts/ManagerLayout.tsx
@@ -4,6 +4,7 @@ import { Outlet } from 'react-router-dom';
 import { Moon, Sun, Bell, Globe, Menu } from 'lucide-react';
 import { User } from '../types';
 import PlatformSidebar from '../components/PlatformSidebar';
+import HelpButton from '../components/HelpButton';
 import { useScrollToTop } from '../hooks/useScrollToTop';
 
 interface ManagerLayoutProps {
@@ -52,7 +53,7 @@ const ManagerLayout: React.FC<ManagerLayoutProps> = ({ user, darkMode, toggleThe
             </div>
           </div>
           <div className="flex items-center gap-4">
-            <button 
+            <button
               onClick={toggleTheme}
               className="p-2 text-gray-400 hover:text-gray-600 dark:hover:text-gray-200 transition-colors"
             >
@@ -61,6 +62,7 @@ const ManagerLayout: React.FC<ManagerLayoutProps> = ({ user, darkMode, toggleThe
             <button className="p-2 text-gray-400 hover:text-gray-600 dark:hover:text-gray-200 transition-colors">
               <Bell size={20} />
             </button>
+            <HelpButton />
           </div>
         </header>
 
diff --git a/frontend/src/layouts/PlatformLayout.tsx b/frontend/src/layouts/PlatformLayout.tsx
index c3407c3a..924f2159 100644
--- a/frontend/src/layouts/PlatformLayout.tsx
+++ b/frontend/src/layouts/PlatformLayout.tsx
@@ -7,7 +7,7 @@ import UserProfileDropdown from '../components/UserProfileDropdown';
 import NotificationDropdown from '../components/NotificationDropdown';
 import LanguageSelector from '../components/LanguageSelector';
 import TicketModal from '../components/TicketModal';
-import FloatingHelpButton from '../components/FloatingHelpButton';
+import HelpButton from '../components/HelpButton';
 import { useTicket } from '../hooks/useTickets';
 import { useScrollToTop } from '../hooks/useScrollToTop';
 
@@ -26,7 +26,7 @@ const PlatformLayout: React.FC<PlatformLayoutProps> = ({ user, darkMode, toggleT
   const location = useLocation();
 
   // Pages that need edge-to-edge rendering (no padding)
-  const noPaddingRoutes = ['/help/api-docs'];
+  const noPaddingRoutes = ['/help/api-docs', '/platform/email'];
 
   useScrollToTop(mainContentRef);
 
@@ -43,9 +43,6 @@ const PlatformLayout: React.FC<PlatformLayoutProps> = ({ user, darkMode, toggleT
 
   return (
     <div className="flex h-screen bg-gray-100 dark:bg-gray-900">
-      {/* Floating Help Button */}
-      <FloatingHelpButton />
-
       {/* Mobile menu */}
       <div className={`fixed inset-y-0 left-0 z-40 transform ${isMobileMenuOpen ? 'translate-x-0' : '-translate-x-full'} transition-transform duration-300 ease-in-out md:hidden`}>
         <PlatformSidebar user={user} isCollapsed={false} toggleCollapse={() => { }} />
@@ -86,6 +83,7 @@ const PlatformLayout: React.FC<PlatformLayoutProps> = ({ user, darkMode, toggleT
               {darkMode ? <Sun size={20} /> : <Moon size={20} />}
             </button>
             <NotificationDropdown onTicketClick={handleTicketClick} />
+            <HelpButton />
             <UserProfileDropdown user={user} />
           </div>
         </header>
diff --git a/frontend/src/layouts/__tests__/BusinessLayout.test.tsx b/frontend/src/layouts/__tests__/BusinessLayout.test.tsx
index 301dd972..9f892fab 100644
--- a/frontend/src/layouts/__tests__/BusinessLayout.test.tsx
+++ b/frontend/src/layouts/__tests__/BusinessLayout.test.tsx
@@ -39,6 +39,7 @@ vi.mock('../../components/TopBar', () => ({
       TopBar - {user.name} - {isDarkMode ? 'Dark' : 'Light'}
       <button onClick={toggleTheme} data-testid="theme-toggle">Toggle Theme</button>
       <button onClick={onMenuClick} data-testid="menu-button">Menu</button>
+      <div data-testid="help-button">Help</div>
     </div>
   ),
 }));
@@ -99,9 +100,7 @@ vi.mock('../../components/TicketModal', () => ({
   ),
 }));
 
-vi.mock('../../components/FloatingHelpButton', () => ({
-  default: () => <div data-testid="floating-help-button">Help</div>,
-}));
+// HelpButton is now rendered inside TopBar, not as a separate component
 
 // Mock hooks
 vi.mock('../../hooks/useAuth', () => ({
@@ -224,7 +223,7 @@ describe('BusinessLayout', () => {
       expect(screen.getAllByTestId('sidebar').length).toBeGreaterThan(0);
       expect(screen.getByTestId('topbar')).toBeInTheDocument();
       expect(screen.getByTestId('outlet')).toBeInTheDocument();
-      expect(screen.getByTestId('floating-help-button')).toBeInTheDocument();
+      expect(screen.getByTestId('help-button')).toBeInTheDocument();
     });
 
     it('should render children content via Outlet', () => {
@@ -649,7 +648,7 @@ describe('BusinessLayout', () => {
     it('should render floating help button', () => {
       renderLayout();
 
-      expect(screen.getByTestId('floating-help-button')).toBeInTheDocument();
+      expect(screen.getByTestId('help-button')).toBeInTheDocument();
     });
   });
 
@@ -795,7 +794,7 @@ describe('BusinessLayout', () => {
       expect(screen.getAllByTestId('sidebar').length).toBeGreaterThan(0);
       expect(screen.getByTestId('topbar')).toBeInTheDocument();
       expect(screen.getByTestId('outlet')).toBeInTheDocument();
-      expect(screen.getByTestId('floating-help-button')).toBeInTheDocument();
+      expect(screen.getByTestId('help-button')).toBeInTheDocument();
     });
   });
 });
diff --git a/frontend/src/layouts/__tests__/PlatformLayout.test.tsx b/frontend/src/layouts/__tests__/PlatformLayout.test.tsx
index 71a242ee..675d2c7f 100644
--- a/frontend/src/layouts/__tests__/PlatformLayout.test.tsx
+++ b/frontend/src/layouts/__tests__/PlatformLayout.test.tsx
@@ -62,8 +62,8 @@ vi.mock('../../components/TicketModal', () => ({
   ),
 }));
 
-vi.mock('../../components/FloatingHelpButton', () => ({
-  default: () => <div data-testid="floating-help-button">Help</div>,
+vi.mock('../../components/HelpButton', () => ({
+  default: () => <div data-testid="help-button">Help</div>,
 }));
 
 // Mock hooks - create a mocked function that can be reassigned
@@ -150,7 +150,7 @@ describe('PlatformLayout', () => {
       expect(screen.getByTestId('user-profile-dropdown')).toBeInTheDocument();
       expect(screen.getByTestId('notification-dropdown')).toBeInTheDocument();
       expect(screen.getByTestId('language-selector')).toBeInTheDocument();
-      expect(screen.getByTestId('floating-help-button')).toBeInTheDocument();
+      expect(screen.getByTestId('help-button')).toBeInTheDocument();
     });
 
     it('should render children content via Outlet', () => {
@@ -412,7 +412,7 @@ describe('PlatformLayout', () => {
     it('should render floating help button', () => {
       renderLayout();
 
-      expect(screen.getByTestId('floating-help-button')).toBeInTheDocument();
+      expect(screen.getByTestId('help-button')).toBeInTheDocument();
     });
   });
 
diff --git a/frontend/src/pages/platform/PlatformStaffEmail.tsx b/frontend/src/pages/platform/PlatformStaffEmail.tsx
new file mode 100644
index 00000000..6ceefebe
--- /dev/null
+++ b/frontend/src/pages/platform/PlatformStaffEmail.tsx
@@ -0,0 +1,861 @@
+/**
+ * Platform Staff Email Page
+ *
+ * Thunderbird-style email client for platform staff members.
+ * Features multiple email accounts, folder tree, and three-pane layout.
+ */
+
+import React, { useState, useCallback, useMemo } from 'react';
+import { useTranslation } from 'react-i18next';
+import {
+  Mail,
+  Inbox,
+  Send,
+  FileEdit,
+  Trash2,
+  Archive,
+  AlertCircle,
+  Star,
+  Tag,
+  Folder,
+  Plus,
+  RefreshCw,
+  Loader2,
+  Search,
+  ChevronDown,
+  ChevronRight,
+  MoreVertical,
+  X,
+  Settings,
+  GripVertical,
+  Check,
+} from 'lucide-react';
+import {
+  useStaffEmailFolders,
+  useStaffEmails,
+  useStaffEmail,
+  useStaffEmailLabels,
+  useMarkAsRead,
+  useMarkAsUnread,
+  useStarEmail,
+  useUnstarEmail,
+  useArchiveEmail,
+  useTrashEmail,
+  useRestoreEmail,
+  useSyncEmails,
+  useFullSyncEmails,
+  useUserEmailAddresses,
+  staffEmailKeys,
+} from '../../hooks/useStaffEmail';
+import { StaffEmailFolder, StaffEmailListItem, StaffEmail, StaffEmailFolderType, StaffEmailFilters } from '../../types';
+import { UserEmailAddress } from '../../api/staffEmail';
+import EmailComposer from '../../components/email/EmailComposer';
+import EmailViewer from '../../components/email/EmailViewer';
+import toast from 'react-hot-toast';
+import { formatDistanceToNow, format } from 'date-fns';
+import { useQueryClient } from '@tanstack/react-query';
+import { useStaffEmailWebSocket } from '../../hooks/useStaffEmailWebSocket';
+
+// Email Account Settings Modal with Drag & Drop
+interface AccountSettingsModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  accounts: UserEmailAddress[];
+  accountOrder: number[];
+  onReorder: (newOrder: number[]) => void;
+}
+
+const AccountSettingsModal: React.FC<AccountSettingsModalProps> = ({
+  isOpen,
+  onClose,
+  accounts,
+  accountOrder,
+  onReorder,
+}) => {
+  const [draggedIndex, setDraggedIndex] = useState<number | null>(null);
+  const [localOrder, setLocalOrder] = useState<number[]>(accountOrder);
+
+  React.useEffect(() => {
+    setLocalOrder(accountOrder);
+  }, [accountOrder]);
+
+  if (!isOpen) return null;
+
+  const orderedAccounts = localOrder
+    .map(id => accounts.find(a => a.id === id))
+    .filter((a): a is UserEmailAddress => a !== undefined);
+
+  const handleDragStart = (e: React.DragEvent, index: number) => {
+    setDraggedIndex(index);
+    e.dataTransfer.effectAllowed = 'move';
+  };
+
+  const handleDragOver = (e: React.DragEvent, index: number) => {
+    e.preventDefault();
+    if (draggedIndex === null || draggedIndex === index) return;
+
+    const newOrder = [...localOrder];
+    const [draggedId] = newOrder.splice(draggedIndex, 1);
+    newOrder.splice(index, 0, draggedId);
+    setLocalOrder(newOrder);
+    setDraggedIndex(index);
+  };
+
+  const handleDragEnd = () => {
+    setDraggedIndex(null);
+  };
+
+  const handleSave = () => {
+    onReorder(localOrder);
+    onClose();
+  };
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50">
+      <div className="bg-white dark:bg-gray-800 rounded-xl shadow-xl w-full max-w-md mx-4">
+        <div className="flex items-center justify-between px-6 py-4 border-b border-gray-200 dark:border-gray-700">
+          <h2 className="text-lg font-semibold text-gray-900 dark:text-white">
+            Arrange Email Accounts
+          </h2>
+          <button
+            onClick={onClose}
+            className="p-1 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300"
+          >
+            <X size={20} />
+          </button>
+        </div>
+
+        <div className="p-6">
+          <p className="text-sm text-gray-500 dark:text-gray-400 mb-4">
+            Drag and drop to reorder your email accounts in the sidebar.
+          </p>
+
+          <div className="space-y-2">
+            {orderedAccounts.map((account, index) => (
+              <div
+                key={account.id}
+                draggable
+                onDragStart={(e) => handleDragStart(e, index)}
+                onDragOver={(e) => handleDragOver(e, index)}
+                onDragEnd={handleDragEnd}
+                className={`flex items-center gap-3 p-3 bg-gray-50 dark:bg-gray-700 rounded-lg cursor-move transition-all ${
+                  draggedIndex === index ? 'opacity-50 scale-95' : ''
+                }`}
+              >
+                <GripVertical size={18} className="text-gray-400" />
+                <div
+                  className="w-3 h-3 rounded-full flex-shrink-0"
+                  style={{ backgroundColor: account.color || '#3b82f6' }}
+                />
+                <div className="flex-1 min-w-0">
+                  <div className="text-sm font-medium text-gray-900 dark:text-white truncate">
+                    {account.display_name}
+                  </div>
+                  <div className="text-xs text-gray-500 dark:text-gray-400 truncate">
+                    {account.email_address}
+                  </div>
+                </div>
+                {account.is_default && (
+                  <span className="text-xs px-2 py-0.5 bg-brand-100 dark:bg-brand-900/30 text-brand-700 dark:text-brand-400 rounded">
+                    Default
+                  </span>
+                )}
+              </div>
+            ))}
+          </div>
+        </div>
+
+        <div className="flex justify-end gap-3 px-6 py-4 border-t border-gray-200 dark:border-gray-700">
+          <button
+            onClick={onClose}
+            className="px-4 py-2 text-sm text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
+          >
+            Cancel
+          </button>
+          <button
+            onClick={handleSave}
+            className="px-4 py-2 text-sm bg-brand-600 text-white rounded-lg hover:bg-brand-700 transition-colors"
+          >
+            Save Order
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+const PlatformStaffEmail: React.FC = () => {
+  const { t } = useTranslation();
+  const queryClient = useQueryClient();
+
+  // UI state
+  const [selectedAccountId, setSelectedAccountId] = useState<number | null>(null);
+  const [selectedFolderId, setSelectedFolderId] = useState<number | null>(null);
+  const [selectedEmailId, setSelectedEmailId] = useState<number | null>(null);
+  const [isComposing, setIsComposing] = useState(false);
+  const [replyToEmail, setReplyToEmail] = useState<StaffEmail | null>(null);
+  const [forwardEmail, setForwardEmail] = useState<StaffEmail | null>(null);
+  const [searchQuery, setSearchQuery] = useState('');
+  const [selectedEmails, setSelectedEmails] = useState<Set<number>>(new Set());
+  const [expandedAccounts, setExpandedAccounts] = useState<Set<number>>(new Set());
+  const [showAccountSettings, setShowAccountSettings] = useState(false);
+  const [accountOrder, setAccountOrder] = useState<number[]>([]);
+
+  // Data queries
+  const { data: emailAddresses = [], isLoading: addressesLoading } = useUserEmailAddresses();
+  const { data: folders = [], isLoading: foldersLoading } = useStaffEmailFolders();
+  const { data: labels = [] } = useStaffEmailLabels();
+
+  // Initialize account order and expanded state
+  React.useEffect(() => {
+    if (emailAddresses.length > 0 && accountOrder.length === 0) {
+      const order = emailAddresses.map(a => a.id);
+      setAccountOrder(order);
+      // Expand all accounts by default
+      setExpandedAccounts(new Set(order));
+      // Select first account if none selected
+      if (!selectedAccountId) {
+        setSelectedAccountId(order[0]);
+      }
+    }
+  }, [emailAddresses]);
+
+  // Build filters based on current state - memoized to prevent unnecessary refetches
+  const filters: StaffEmailFilters = useMemo(() => {
+    const f = {
+      folderId: selectedFolderId || undefined,
+      emailAddressId: selectedAccountId || undefined,
+      search: searchQuery || undefined,
+    };
+    // Debug logging - remove after fixing folder filter issue
+    console.log('[StaffEmail UI] Filters updated:', f);
+    return f;
+  }, [selectedFolderId, selectedAccountId, searchQuery]);
+
+  const {
+    data: emailsData,
+    isLoading: emailsLoading,
+    fetchNextPage,
+    hasNextPage,
+    isFetchingNextPage,
+  } = useStaffEmails(filters);
+
+  const emails = emailsData?.pages.flatMap((page) => page.results) || [];
+  const totalCount = emailsData?.pages[0]?.count || 0;
+
+  // Single email detail
+  const { data: selectedEmail, isLoading: emailLoading } = useStaffEmail(selectedEmailId || undefined);
+
+  // Mutations
+  const markAsRead = useMarkAsRead();
+  const markAsUnread = useMarkAsUnread();
+  const starEmail = useStarEmail();
+  const unstarEmail = useUnstarEmail();
+  const archiveEmail = useArchiveEmail();
+  const trashEmail = useTrashEmail();
+  const restoreEmail = useRestoreEmail();
+  const syncEmails = useSyncEmails();
+  const fullSyncEmails = useFullSyncEmails();
+
+  // WebSocket for real-time updates
+  const { isConnected: wsConnected, isSyncing: wsIsSyncing } = useStaffEmailWebSocket({
+    showToasts: true,
+    onNewEmail: (data) => {
+      console.log('WebSocket: New email received', data);
+    },
+    onSyncComplete: () => {
+      console.log('WebSocket: Sync completed');
+    },
+  });
+
+  // Combined syncing state
+  const isSyncing = syncEmails.isPending || fullSyncEmails.isPending || wsIsSyncing;
+
+  // Determine if currently viewing Trash folder
+  const currentFolder = folders.find(f => f.id === selectedFolderId);
+  const isInTrash = currentFolder?.folderType === 'TRASH';
+
+  // Auto-select inbox on first load
+  React.useEffect(() => {
+    if (!selectedFolderId && folders.length > 0 && selectedAccountId) {
+      const inbox = folders.find((f) => f.folderType === 'INBOX');
+      if (inbox) {
+        setSelectedFolderId(inbox.id);
+      }
+    }
+  }, [folders, selectedFolderId, selectedAccountId]);
+
+  // Mark as read when email is selected
+  React.useEffect(() => {
+    if (selectedEmail && !selectedEmail.isRead) {
+      markAsRead.mutate(selectedEmail.id);
+    }
+  }, [selectedEmail?.id]);
+
+  // Handlers
+  const handleGetMessages = async () => {
+    try {
+      await fullSyncEmails.mutateAsync();
+      toast.success('Syncing all emails from server...');
+    } catch (error: any) {
+      toast.error(error.response?.data?.error || 'Failed to sync emails');
+    }
+  };
+
+  const handleQuickSync = async () => {
+    try {
+      const result = await syncEmails.mutateAsync();
+      toast.success(result.message || 'Emails synced');
+    } catch (error: any) {
+      toast.error(error.response?.data?.error || 'Failed to sync emails');
+    }
+  };
+
+  const toggleAccountExpanded = (accountId: number) => {
+    setExpandedAccounts(prev => {
+      const newSet = new Set(prev);
+      if (newSet.has(accountId)) {
+        newSet.delete(accountId);
+      } else {
+        newSet.add(accountId);
+      }
+      return newSet;
+    });
+  };
+
+  const handleFolderSelect = (folderId: number, accountId: number) => {
+    // Debug logging - remove after fixing folder filter issue
+    console.log('[StaffEmail UI] Folder selected:', { folderId, accountId });
+    setSelectedFolderId(folderId);
+    setSelectedAccountId(accountId);
+    setSelectedEmailId(null);
+    setSelectedEmails(new Set());
+  };
+
+  const handleEmailSelect = (emailId: number) => {
+    setSelectedEmailId(emailId);
+    setIsComposing(false);
+    setReplyToEmail(null);
+    setForwardEmail(null);
+  };
+
+  const handleCompose = () => {
+    setIsComposing(true);
+    setSelectedEmailId(null);
+    setReplyToEmail(null);
+    setForwardEmail(null);
+  };
+
+  const handleReply = (email: StaffEmail, replyAll: boolean = false) => {
+    setReplyToEmail(email);
+    setIsComposing(true);
+    setForwardEmail(null);
+  };
+
+  const handleForward = (email: StaffEmail) => {
+    setForwardEmail(email);
+    setIsComposing(true);
+    setReplyToEmail(null);
+  };
+
+  const handleCloseComposer = () => {
+    setIsComposing(false);
+    setReplyToEmail(null);
+    setForwardEmail(null);
+  };
+
+  const handleStar = async (emailId: number, isStarred: boolean) => {
+    try {
+      if (isStarred) {
+        await unstarEmail.mutateAsync(emailId);
+      } else {
+        await starEmail.mutateAsync(emailId);
+      }
+    } catch (error) {
+      toast.error('Failed to update star');
+    }
+  };
+
+  const handleArchive = async (emailId: number) => {
+    try {
+      await archiveEmail.mutateAsync(emailId);
+      toast.success('Email archived');
+      if (selectedEmailId === emailId) {
+        setSelectedEmailId(null);
+      }
+    } catch (error) {
+      toast.error('Failed to archive email');
+    }
+  };
+
+  const handleTrash = async (emailId: number) => {
+    try {
+      await trashEmail.mutateAsync(emailId);
+      toast.success('Email moved to trash');
+      if (selectedEmailId === emailId) {
+        setSelectedEmailId(null);
+      }
+    } catch (error) {
+      toast.error('Failed to move to trash');
+    }
+  };
+
+  const handleRestore = async (emailId: number) => {
+    try {
+      await restoreEmail.mutateAsync(emailId);
+      toast.success('Email restored');
+      if (selectedEmailId === emailId) {
+        setSelectedEmailId(null);
+      }
+    } catch (error) {
+      toast.error('Failed to restore email');
+    }
+  };
+
+  const handleMarkRead = async (emailId: number) => {
+    try {
+      await markAsRead.mutateAsync(emailId);
+    } catch (error) {
+      toast.error('Failed to mark as read');
+    }
+  };
+
+  const handleMarkUnread = async (emailId: number) => {
+    try {
+      await markAsUnread.mutateAsync(emailId);
+    } catch (error) {
+      toast.error('Failed to mark as unread');
+    }
+  };
+
+  const handleEmailCheckbox = (emailId: number, checked: boolean) => {
+    setSelectedEmails((prev) => {
+      const newSet = new Set(prev);
+      if (checked) {
+        newSet.add(emailId);
+      } else {
+        newSet.delete(emailId);
+      }
+      return newSet;
+    });
+  };
+
+  const handleAccountOrderChange = (newOrder: number[]) => {
+    setAccountOrder(newOrder);
+    // TODO: Persist to localStorage or backend
+    localStorage.setItem('emailAccountOrder', JSON.stringify(newOrder));
+  };
+
+  // Load saved order from localStorage
+  React.useEffect(() => {
+    const savedOrder = localStorage.getItem('emailAccountOrder');
+    if (savedOrder) {
+      try {
+        const parsed = JSON.parse(savedOrder);
+        if (Array.isArray(parsed)) {
+          setAccountOrder(parsed);
+        }
+      } catch (e) {
+        // ignore
+      }
+    }
+  }, []);
+
+  const getFolderIcon = (folderType: StaffEmailFolderType) => {
+    switch (folderType) {
+      case 'INBOX':
+        return <Inbox size={16} />;
+      case 'SENT':
+        return <Send size={16} />;
+      case 'DRAFTS':
+        return <FileEdit size={16} />;
+      case 'TRASH':
+        return <Trash2 size={16} />;
+      case 'ARCHIVE':
+        return <Archive size={16} />;
+      case 'SPAM':
+        return <AlertCircle size={16} />;
+      default:
+        return <Folder size={16} />;
+    }
+  };
+
+  // Sort folders with a defined order: Inbox first, then others in logical order
+  const folderSortOrder: Record<string, number> = {
+    'INBOX': 0,
+    'DRAFTS': 1,
+    'SENT': 2,
+    'ARCHIVE': 3,
+    'SPAM': 4,
+    'TRASH': 5,
+    'CUSTOM': 6,
+  };
+
+  const sortedFolders = [...folders].sort((a, b) => {
+    const orderA = folderSortOrder[a.folderType] ?? 99;
+    const orderB = folderSortOrder[b.folderType] ?? 99;
+    return orderA - orderB;
+  });
+
+  const formatEmailDate = (dateString: string) => {
+    const date = new Date(dateString);
+    const now = new Date();
+    const diffDays = Math.floor((now.getTime() - date.getTime()) / (1000 * 60 * 60 * 24));
+
+    if (diffDays === 0) {
+      return format(date, 'h:mm a');
+    } else if (diffDays < 7) {
+      return format(date, 'EEE');
+    } else if (date.getFullYear() === now.getFullYear()) {
+      return format(date, 'MMM d');
+    } else {
+      return format(date, 'MM/dd/yy');
+    }
+  };
+
+  // Order accounts based on saved order
+  const orderedAccounts = accountOrder.length > 0
+    ? accountOrder
+        .map(id => emailAddresses.find(a => a.id === id))
+        .filter((a): a is UserEmailAddress => a !== undefined)
+    : emailAddresses;
+
+  return (
+    <div className="h-[calc(100vh-64px)] flex flex-col bg-gray-100 dark:bg-gray-900">
+      {/* Toolbar */}
+      <div className="flex items-center gap-2 px-3 py-2 bg-white dark:bg-gray-800 border-b border-gray-200 dark:border-gray-700">
+        <button
+          onClick={handleGetMessages}
+          disabled={isSyncing}
+          className="inline-flex items-center gap-2 px-3 py-1.5 text-sm bg-brand-600 text-white rounded hover:bg-brand-700 transition-colors disabled:opacity-50"
+        >
+          <RefreshCw size={16} className={isSyncing ? 'animate-spin' : ''} />
+          Get Messages
+        </button>
+
+        <button
+          onClick={handleCompose}
+          className="inline-flex items-center gap-2 px-3 py-1.5 text-sm border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-300 rounded hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors"
+        >
+          <Plus size={16} />
+          Write
+        </button>
+
+        <div className="flex-1" />
+
+        {/* Search */}
+        <div className="relative w-64">
+          <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-gray-400" />
+          <input
+            type="text"
+            placeholder="Search emails..."
+            value={searchQuery}
+            onChange={(e) => setSearchQuery(e.target.value)}
+            className="w-full pl-9 pr-4 py-1.5 text-sm border border-gray-300 dark:border-gray-600 rounded bg-white dark:bg-gray-700 text-gray-900 dark:text-white placeholder-gray-500 focus:ring-2 focus:ring-brand-500 focus:border-transparent"
+          />
+        </div>
+
+        <button
+          onClick={() => setShowAccountSettings(true)}
+          className="p-1.5 text-gray-500 hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-200"
+          title="Account Settings"
+        >
+          <Settings size={18} />
+        </button>
+      </div>
+
+      {/* Main content - three panel layout */}
+      <div className="flex-1 flex min-h-0">
+        {/* Left sidebar - Accounts & Folders (Thunderbird-style) */}
+        <div className="w-60 flex-shrink-0 bg-white dark:bg-gray-800 border-r border-gray-200 dark:border-gray-700 flex flex-col overflow-hidden">
+          <div className="flex-1 overflow-y-auto">
+            {addressesLoading || foldersLoading ? (
+              <div className="flex items-center justify-center py-8">
+                <Loader2 size={24} className="animate-spin text-gray-400" />
+              </div>
+            ) : orderedAccounts.length === 0 ? (
+              <div className="p-4 text-center text-sm text-gray-500 dark:text-gray-400">
+                <Mail size={32} className="mx-auto mb-2 opacity-50" />
+                <p>No email accounts assigned</p>
+              </div>
+            ) : (
+              <div className="py-2">
+                {orderedAccounts.map((account) => (
+                  <div key={account.id}>
+                    {/* Account header */}
+                    <button
+                      onClick={() => toggleAccountExpanded(account.id)}
+                      className="w-full flex items-center gap-2 px-3 py-2 hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors"
+                    >
+                      {expandedAccounts.has(account.id) ? (
+                        <ChevronDown size={16} className="text-gray-400 flex-shrink-0" />
+                      ) : (
+                        <ChevronRight size={16} className="text-gray-400 flex-shrink-0" />
+                      )}
+                      <div
+                        className="w-3 h-3 rounded-full flex-shrink-0"
+                        style={{ backgroundColor: account.color || '#3b82f6' }}
+                      />
+                      <span className="text-sm font-medium text-gray-900 dark:text-white truncate flex-1 text-left">
+                        {account.display_name || account.email_address.split('@')[0]}
+                      </span>
+                    </button>
+
+                    {/* Account folders */}
+                    {expandedAccounts.has(account.id) && (
+                      <div className="ml-5 border-l border-gray-200 dark:border-gray-700">
+                        {sortedFolders.map((folder) => (
+                          <button
+                            key={`${account.id}-${folder.id}`}
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              handleFolderSelect(folder.id, account.id);
+                            }}
+                            className={`w-full flex items-center justify-between px-3 py-1.5 text-sm transition-colors ${
+                              selectedFolderId === folder.id && selectedAccountId === account.id
+                                ? 'bg-brand-100 dark:bg-brand-900/30 text-brand-700 dark:text-brand-400'
+                                : 'text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700'
+                            }`}
+                          >
+                            <span className="flex items-center gap-2">
+                              {getFolderIcon(folder.folderType)}
+                              <span className="truncate">{folder.name}</span>
+                            </span>
+                            {folder.unreadCount > 0 && (
+                              <span className="text-xs font-semibold text-brand-600 dark:text-brand-400">
+                                {folder.unreadCount}
+                              </span>
+                            )}
+                          </button>
+                        ))}
+                      </div>
+                    )}
+                  </div>
+                ))}
+
+                {/* Labels section */}
+                {labels.length > 0 && (
+                  <div className="mt-4 pt-4 border-t border-gray-200 dark:border-gray-700 mx-3">
+                    <div className="px-0 py-2 text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider">
+                      Labels
+                    </div>
+                    {labels.map((label) => (
+                      <button
+                        key={label.id}
+                        className="w-full flex items-center gap-2 px-2 py-1.5 rounded text-sm text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700"
+                      >
+                        <span
+                          className="w-3 h-3 rounded-full flex-shrink-0"
+                          style={{ backgroundColor: label.color }}
+                        />
+                        <span className="truncate">{label.name}</span>
+                      </button>
+                    ))}
+                  </div>
+                )}
+              </div>
+            )}
+          </div>
+        </div>
+
+        {/* Center - Email list */}
+        <div className="w-80 flex-shrink-0 bg-white dark:bg-gray-800 border-r border-gray-200 dark:border-gray-700 flex flex-col">
+          {/* List header */}
+          <div className="flex items-center justify-between px-3 py-2 border-b border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-gray-700">
+            <div className="flex items-center gap-2">
+              <input
+                type="checkbox"
+                className="rounded border-gray-300 dark:border-gray-600 text-brand-600 focus:ring-brand-500"
+                checked={selectedEmails.size > 0 && selectedEmails.size === emails.length}
+                onChange={(e) => {
+                  if (e.target.checked) {
+                    setSelectedEmails(new Set(emails.map(e => e.id)));
+                  } else {
+                    setSelectedEmails(new Set());
+                  }
+                }}
+              />
+              <span className="text-xs text-gray-500 dark:text-gray-400">
+                {totalCount} messages
+              </span>
+            </div>
+          </div>
+
+          {/* Email list */}
+          <div className="flex-1 overflow-y-auto">
+            {emailsLoading ? (
+              <div className="flex items-center justify-center py-12">
+                <Loader2 size={32} className="animate-spin text-gray-400" />
+              </div>
+            ) : emails.length === 0 ? (
+              <div className="flex flex-col items-center justify-center py-12 text-gray-500 dark:text-gray-400">
+                <Mail size={48} className="mb-3 opacity-50" />
+                <p>{t('staffEmail.noEmails', 'No emails')}</p>
+              </div>
+            ) : (
+              <>
+                {emails.map((email) => (
+                  <div
+                    key={email.id}
+                    onClick={() => handleEmailSelect(email.id)}
+                    className={`flex items-start gap-2 px-3 py-2 border-b border-gray-100 dark:border-gray-700 cursor-pointer transition-colors ${
+                      selectedEmailId === email.id
+                        ? 'bg-brand-50 dark:bg-brand-900/20'
+                        : email.isRead
+                        ? 'bg-white dark:bg-gray-800 hover:bg-gray-50 dark:hover:bg-gray-700'
+                        : 'bg-blue-50/50 dark:bg-blue-900/10 hover:bg-blue-50 dark:hover:bg-blue-900/20'
+                    }`}
+                  >
+                    {/* Checkbox */}
+                    <input
+                      type="checkbox"
+                      checked={selectedEmails.has(email.id)}
+                      onChange={(e) => {
+                        e.stopPropagation();
+                        handleEmailCheckbox(email.id, e.target.checked);
+                      }}
+                      className="mt-1 rounded border-gray-300 dark:border-gray-600 text-brand-600 focus:ring-brand-500"
+                    />
+
+                    {/* Star */}
+                    <button
+                      onClick={(e) => {
+                        e.stopPropagation();
+                        handleStar(email.id, email.isStarred);
+                      }}
+                      className="mt-0.5 flex-shrink-0"
+                    >
+                      <Star
+                        size={14}
+                        className={`transition-colors ${
+                          email.isStarred
+                            ? 'fill-yellow-400 text-yellow-400'
+                            : 'text-gray-300 dark:text-gray-600 hover:text-yellow-400'
+                        }`}
+                      />
+                    </button>
+
+                    {/* Email content */}
+                    <div className="flex-1 min-w-0">
+                      <div className="flex items-center justify-between gap-2">
+                        <span
+                          className={`text-sm truncate ${
+                            email.isRead
+                              ? 'text-gray-600 dark:text-gray-400'
+                              : 'font-semibold text-gray-900 dark:text-white'
+                          }`}
+                        >
+                          {email.fromName || email.fromAddress}
+                        </span>
+                        <span className="text-xs text-gray-500 dark:text-gray-400 flex-shrink-0">
+                          {formatEmailDate(email.emailDate)}
+                        </span>
+                      </div>
+                      <div
+                        className={`text-sm truncate ${
+                          email.isRead
+                            ? 'text-gray-600 dark:text-gray-400'
+                            : 'font-medium text-gray-900 dark:text-white'
+                        }`}
+                      >
+                        {email.subject || '(No Subject)'}
+                      </div>
+                      <div className="text-xs text-gray-500 dark:text-gray-400 truncate">
+                        {email.snippet}
+                      </div>
+                      {/* Indicators */}
+                      {(email.hasAttachments || email.labels.length > 0) && (
+                        <div className="flex items-center gap-1 mt-1">
+                          {email.hasAttachments && (
+                            <span className="text-xs text-gray-400">📎</span>
+                          )}
+                          {email.labels.map((label) => (
+                            <span
+                              key={label.id}
+                              className="text-xs px-1 py-0.5 rounded text-white"
+                              style={{ backgroundColor: label.color }}
+                            >
+                              {label.name}
+                            </span>
+                          ))}
+                        </div>
+                      )}
+                    </div>
+                  </div>
+                ))}
+
+                {/* Load more */}
+                {hasNextPage && (
+                  <div className="p-3 text-center">
+                    <button
+                      onClick={() => fetchNextPage()}
+                      disabled={isFetchingNextPage}
+                      className="text-sm text-brand-600 hover:text-brand-700 disabled:opacity-50"
+                    >
+                      {isFetchingNextPage ? (
+                        <span className="flex items-center justify-center gap-2">
+                          <Loader2 size={14} className="animate-spin" />
+                          Loading...
+                        </span>
+                      ) : (
+                        'Load more'
+                      )}
+                    </button>
+                  </div>
+                )}
+              </>
+            )}
+          </div>
+        </div>
+
+        {/* Right panel - Email viewer or Composer */}
+        <div className="flex-1 flex flex-col min-w-0 bg-white dark:bg-gray-800">
+          {isComposing ? (
+            <EmailComposer
+              replyTo={replyToEmail}
+              forwardFrom={forwardEmail}
+              onClose={handleCloseComposer}
+              onSent={() => {
+                handleCloseComposer();
+                queryClient.invalidateQueries({ queryKey: staffEmailKeys.emails() });
+              }}
+            />
+          ) : selectedEmail ? (
+            <EmailViewer
+              email={selectedEmail}
+              isLoading={emailLoading}
+              onReply={() => handleReply(selectedEmail)}
+              onReplyAll={() => handleReply(selectedEmail, true)}
+              onForward={() => handleForward(selectedEmail)}
+              onArchive={() => handleArchive(selectedEmail.id)}
+              onTrash={() => handleTrash(selectedEmail.id)}
+              onStar={() => handleStar(selectedEmail.id, selectedEmail.isStarred)}
+              onMarkRead={() => handleMarkRead(selectedEmail.id)}
+              onMarkUnread={() => handleMarkUnread(selectedEmail.id)}
+              onRestore={() => handleRestore(selectedEmail.id)}
+              isInTrash={isInTrash}
+            />
+          ) : (
+            <div className="flex-1 flex items-center justify-center text-gray-500 dark:text-gray-400 bg-gray-50 dark:bg-gray-800">
+              <div className="text-center">
+                <Mail size={64} className="mx-auto mb-4 opacity-30" />
+                <p>{t('staffEmail.selectEmail', 'Select an email to read')}</p>
+              </div>
+            </div>
+          )}
+        </div>
+      </div>
+
+      {/* Account Settings Modal */}
+      <AccountSettingsModal
+        isOpen={showAccountSettings}
+        onClose={() => setShowAccountSettings(false)}
+        accounts={emailAddresses}
+        accountOrder={accountOrder}
+        onReorder={handleAccountOrderChange}
+      />
+    </div>
+  );
+};
+
+export default PlatformStaffEmail;
diff --git a/frontend/src/types.ts b/frontend/src/types.ts
index 199431f4..ee37b070 100644
--- a/frontend/src/types.ts
+++ b/frontend/src/types.ts
@@ -831,4 +831,162 @@ export interface SystemEmailTemplateUpdate {
   subject_template: string;
   puck_data: Record<string, any>;
   is_active?: boolean;
+}
+
+// --- Staff Email Types (Platform Staff Inbox) ---
+
+export type StaffEmailStatus = 'RECEIVED' | 'SENT' | 'DRAFT' | 'SENDING' | 'FAILED';
+
+export type StaffEmailFolderType =
+  | 'INBOX'
+  | 'SENT'
+  | 'DRAFTS'
+  | 'TRASH'
+  | 'ARCHIVE'
+  | 'SPAM'
+  | 'CUSTOM';
+
+export interface StaffEmailFolder {
+  id: number;
+  owner: number;
+  name: string;
+  folderType: StaffEmailFolderType;
+  emailCount: number;
+  unreadCount: number;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface StaffEmailAttachment {
+  id: number;
+  filename: string;
+  contentType: string;
+  size: number;
+  url: string;
+  createdAt: string;
+}
+
+export interface StaffEmailLabel {
+  id: number;
+  owner: number;
+  name: string;
+  color: string;
+  createdAt: string;
+}
+
+export interface StaffEmailListItem {
+  id: number;
+  folder: number;
+  fromAddress: string;
+  fromName: string;
+  toAddresses: string[];
+  subject: string;
+  snippet: string;
+  status: StaffEmailStatus;
+  isRead: boolean;
+  isStarred: boolean;
+  isImportant: boolean;
+  hasAttachments: boolean;
+  attachmentCount: number;
+  threadId: string | null;
+  emailDate: string;
+  createdAt: string;
+  labels: StaffEmailLabel[];
+}
+
+export interface StaffEmail extends StaffEmailListItem {
+  owner: number;
+  emailAddress: number;
+  messageId: string;
+  inReplyTo: string | null;
+  references: string;
+  ccAddresses: string[];
+  bccAddresses: string[];
+  bodyText: string;
+  bodyHtml: string;
+  isAnswered: boolean;
+  isPermanentlyDeleted: boolean;
+  deletedAt: string | null;
+  attachments: StaffEmailAttachment[];
+  updatedAt: string;
+}
+
+export interface StaffEmailThread {
+  threadId: string;
+  emails: StaffEmail[];
+  subject: string;
+  participants: string[];
+  lastEmailDate: string;
+  unreadCount: number;
+}
+
+export interface StaffEmailFilters {
+  folderId?: number;
+  emailAddressId?: number;
+  isRead?: boolean;
+  isStarred?: boolean;
+  isImportant?: boolean;
+  labelId?: number;
+  search?: string;
+  fromDate?: string;
+  toDate?: string;
+}
+
+export interface StaffEmailCreateDraft {
+  emailAddressId: number;
+  toAddresses: string[];
+  ccAddresses?: string[];
+  bccAddresses?: string[];
+  subject: string;
+  bodyText?: string;
+  bodyHtml?: string;
+  inReplyTo?: number;
+  threadId?: string;
+}
+
+export interface StaffEmailSend {
+  id: number;
+}
+
+export interface StaffEmailMove {
+  emailIds: number[];
+  folderId: number;
+}
+
+export interface StaffEmailBulkAction {
+  emailIds: number[];
+  action: 'mark_read' | 'mark_unread' | 'star' | 'unstar' | 'archive' | 'trash' | 'restore' | 'delete';
+}
+
+export interface StaffEmailReply {
+  bodyText?: string;
+  bodyHtml?: string;
+  replyAll?: boolean;
+}
+
+export interface StaffEmailForward {
+  toAddresses: string[];
+  ccAddresses?: string[];
+  bodyText?: string;
+  bodyHtml?: string;
+}
+
+export interface EmailContactSuggestion {
+  id: number;
+  owner: number;
+  email: string;
+  name: string;
+  useCount: number;
+  lastUsedAt: string;
+}
+
+export interface StaffEmailStats {
+  totalEmails: number;
+  unreadCount: number;
+  sentToday: number;
+  folders: {
+    name: string;
+    count: number;
+    unread: number;
+  }[];
 }
\ No newline at end of file
diff --git a/frontend/step1-login-page.png b/frontend/step1-login-page.png
new file mode 100644
index 00000000..924a5674
Binary files /dev/null and b/frontend/step1-login-page.png differ
diff --git a/frontend/step2-filled-form.png b/frontend/step2-filled-form.png
new file mode 100644
index 00000000..9bd232a4
Binary files /dev/null and b/frontend/step2-filled-form.png differ
diff --git a/frontend/step3-after-login.png b/frontend/step3-after-login.png
new file mode 100644
index 00000000..5d5ed0da
Binary files /dev/null and b/frontend/step3-after-login.png differ
diff --git a/frontend/step4-email-page.png b/frontend/step4-email-page.png
new file mode 100644
index 00000000..ce95fac4
Binary files /dev/null and b/frontend/step4-email-page.png differ
diff --git a/frontend/tests/e2e/email-debug.spec.ts b/frontend/tests/e2e/email-debug.spec.ts
new file mode 100644
index 00000000..7e090d05
--- /dev/null
+++ b/frontend/tests/e2e/email-debug.spec.ts
@@ -0,0 +1,60 @@
+import { test, expect } from '@playwright/test';
+
+test('debug email page', async ({ page }) => {
+  // Enable console logging
+  page.on('console', msg => console.log('CONSOLE:', msg.type(), msg.text()));
+  page.on('pageerror', err => console.log('PAGE ERROR:', err.message));
+
+  // Track network requests
+  page.on('request', req => {
+    if (req.url().includes('staff-email') || req.url().includes('email_addresses')) {
+      console.log('REQUEST:', req.method(), req.url());
+    }
+  });
+  page.on('response', res => {
+    if (res.url().includes('staff-email') || res.url().includes('email_addresses')) {
+      console.log('RESPONSE:', res.status(), res.url());
+    }
+  });
+
+  // Step 1: Go to login page
+  console.log('Step 1: Going to login page...');
+  await page.goto('http://platform.lvh.me:5173/platform/login');
+  await page.screenshot({ path: 'step1-login-page.png' });
+  console.log('Login page URL:', page.url());
+
+  // Step 2: Fill login form
+  console.log('Step 2: Filling login form...');
+  await page.waitForSelector('input[type="email"], input[name="email"], input[placeholder*="email" i]', { timeout: 10000 });
+  await page.fill('input[type="email"], input[name="email"], input[placeholder*="email" i]', 'poduck@gmail.com');
+  await page.fill('input[type="password"], input[name="password"]', 'starry12');
+  await page.screenshot({ path: 'step2-filled-form.png' });
+
+  // Step 3: Submit login
+  console.log('Step 3: Submitting login...');
+  await page.click('button[type="submit"]');
+
+  // Wait for navigation
+  await page.waitForTimeout(3000);
+  await page.screenshot({ path: 'step3-after-login.png' });
+  console.log('After login URL:', page.url());
+
+  // Step 4: Navigate to email page
+  console.log('Step 4: Navigating to email page...');
+  await page.goto('http://platform.lvh.me:5173/platform/email');
+  await page.waitForTimeout(5000);
+  await page.screenshot({ path: 'step4-email-page.png' });
+  console.log('Email page URL:', page.url());
+
+  // Step 5: Check page content
+  console.log('Step 5: Checking page content...');
+  const html = await page.content();
+  console.log('Page HTML length:', html.length);
+  console.log('Contains "Get Messages":', html.includes('Get Messages'));
+  console.log('Contains "No email accounts":', html.includes('No email accounts'));
+  console.log('Contains "timm":', html.includes('timm'));
+
+  // Check for any visible text
+  const bodyText = await page.locator('body').textContent();
+  console.log('Body text (first 1000 chars):', bodyText?.substring(0, 1000));
+});
diff --git a/smoothschedule/config/asgi.py b/smoothschedule/config/asgi.py
index b862f9aa..afeca1d6 100644
--- a/smoothschedule/config/asgi.py
+++ b/smoothschedule/config/asgi.py
@@ -12,6 +12,7 @@ from channels.routing import ProtocolTypeRouter, URLRouter
 
 from smoothschedule.commerce.tickets import routing as tickets_routing
 from smoothschedule.scheduling.schedule import routing as schedule_routing
+from smoothschedule.communication.staff_email import routing as staff_email_routing
 from smoothschedule.commerce.tickets.middleware import TokenAuthMiddleware
 
 
@@ -22,7 +23,8 @@ application = ProtocolTypeRouter(
             TokenAuthMiddleware(
                 URLRouter(
                     tickets_routing.websocket_urlpatterns +
-                    schedule_routing.websocket_urlpatterns
+                    schedule_routing.websocket_urlpatterns +
+                    staff_email_routing.websocket_urlpatterns
                 )
             )
         ),
diff --git a/smoothschedule/config/settings/base.py b/smoothschedule/config/settings/base.py
index a27b091d..83da4245 100644
--- a/smoothschedule/config/settings/base.py
+++ b/smoothschedule/config/settings/base.py
@@ -111,6 +111,7 @@ LOCAL_APPS = [
     "smoothschedule.communication.credits",  # SMS/calling credits (was comms_credits)
     "smoothschedule.communication.mobile",   # Field employee app (was field_mobile)
     "smoothschedule.communication.messaging",  # Twilio conversations (was communication)
+    "smoothschedule.communication.staff_email",  # Staff email client
 
     # Commerce Domain
     "smoothschedule.commerce.payments",
diff --git a/smoothschedule/config/settings/multitenancy.py b/smoothschedule/config/settings/multitenancy.py
index 36dbe885..1a119f09 100644
--- a/smoothschedule/config/settings/multitenancy.py
+++ b/smoothschedule/config/settings/multitenancy.py
@@ -58,6 +58,7 @@ SHARED_APPS = [
     'smoothschedule.communication.notifications',  # Notification system - shared for platform
     'smoothschedule.communication.credits',  # Communication credits (SMS/calling) - shared for billing
     'smoothschedule.communication.mobile',  # Field employee mobile app - shared for location tracking
+    'smoothschedule.communication.staff_email',  # Staff email client for platform users
 
     # Integrations Domain (shared)
     'smoothschedule.integrations.activepieces',  # Activepieces workflow automation
diff --git a/smoothschedule/config/urls.py b/smoothschedule/config/urls.py
index 78f46a13..9ce7bda1 100644
--- a/smoothschedule/config/urls.py
+++ b/smoothschedule/config/urls.py
@@ -128,6 +128,8 @@ urlpatterns += [
     path("notifications/", include("smoothschedule.communication.notifications.urls")),
     # Messaging API (broadcast messages)
     path("messages/", include("smoothschedule.communication.messaging.urls")),
+    # Staff Email API (platform staff inbox)
+    path("staff-email/", include("smoothschedule.communication.staff_email.urls", namespace="staff_email")),
     # Billing API
     path("", include("smoothschedule.billing.api.urls", namespace="billing")),
     # Platform API
diff --git a/smoothschedule/smoothschedule/commerce/tickets/email_receiver.py b/smoothschedule/smoothschedule/commerce/tickets/email_receiver.py
index 6a111294..9f9b8ac7 100644
--- a/smoothschedule/smoothschedule/commerce/tickets/email_receiver.py
+++ b/smoothschedule/smoothschedule/commerce/tickets/email_receiver.py
@@ -700,6 +700,10 @@ class PlatformEmailReceiver:
     """
     Service for receiving and processing inbound ticket emails from PlatformEmailAddress.
     Similar to TicketEmailReceiver but adapted for platform-managed email addresses.
+
+    Supports two routing modes:
+    - PLATFORM: Creates tickets (default behavior)
+    - STAFF: Routes to staff member's personal inbox via StaffEmailImapService
     """
 
     # Patterns to extract ticket ID from email addresses
@@ -717,6 +721,29 @@ class PlatformEmailReceiver:
         self.email_address = email_address
         self.connection = None
 
+    def _is_staff_routing(self) -> bool:
+        """Check if this email address routes to a staff inbox."""
+        from smoothschedule.platform.admin.models import PlatformEmailAddress
+        return (
+            self.email_address.routing_mode == PlatformEmailAddress.RoutingMode.STAFF
+            and self.email_address.assigned_user is not None
+        )
+
+    def _fetch_for_staff_inbox(self) -> int:
+        """
+        Delegate email fetching to StaffEmailImapService.
+        Used when routing_mode is STAFF.
+        """
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        logger.info(
+            f"[Platform: {self.email_address.display_name}] "
+            f"Routing to staff inbox for {self.email_address.assigned_user.email}"
+        )
+
+        service = StaffEmailImapService(self.email_address)
+        return service.fetch_and_process_emails()
+
     def connect(self) -> bool:
         """Establish connection to IMAP server."""
         imap_settings = self.email_address.get_imap_settings()
@@ -760,10 +787,20 @@ class PlatformEmailReceiver:
             self.connection = None
 
     def fetch_and_process_emails(self) -> int:
-        """Fetch new emails and process them into tickets."""
+        """
+        Fetch new emails and process them.
+
+        Routes to either:
+        - Staff inbox (if routing_mode=STAFF and assigned_user is set)
+        - Ticket system (if routing_mode=PLATFORM, default)
+        """
         if not self.email_address.is_active:
             return 0
 
+        # Check routing mode - delegate to staff email service if needed
+        if self._is_staff_routing():
+            return self._fetch_for_staff_inbox()
+
         if not self.connect():
             return 0
 
diff --git a/smoothschedule/smoothschedule/communication/staff_email/__init__.py b/smoothschedule/smoothschedule/communication/staff_email/__init__.py
new file mode 100644
index 00000000..6f751c56
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/__init__.py
@@ -0,0 +1,7 @@
+"""
+Staff Email App
+
+Provides a full email client for platform staff members.
+Staff can receive, compose, reply, and manage emails through their personal inbox.
+"""
+default_app_config = 'smoothschedule.communication.staff_email.apps.StaffEmailConfig'
diff --git a/smoothschedule/smoothschedule/communication/staff_email/admin.py b/smoothschedule/smoothschedule/communication/staff_email/admin.py
new file mode 100644
index 00000000..f616dc4e
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/admin.py
@@ -0,0 +1,54 @@
+"""
+Admin configuration for Staff Email models.
+"""
+from django.contrib import admin
+from .models import (
+    StaffEmailFolder,
+    StaffEmail,
+    StaffEmailAttachment,
+    StaffEmailLabel,
+    StaffEmailLabelAssignment,
+    EmailContactSuggestion,
+)
+
+
+@admin.register(StaffEmailFolder)
+class StaffEmailFolderAdmin(admin.ModelAdmin):
+    list_display = ['name', 'user', 'folder_type', 'display_order', 'created_at']
+    list_filter = ['folder_type']
+    search_fields = ['name', 'user__email']
+
+
+@admin.register(StaffEmail)
+class StaffEmailAdmin(admin.ModelAdmin):
+    list_display = ['subject', 'from_address', 'owner', 'folder', 'status', 'is_read', 'email_date']
+    list_filter = ['status', 'is_read', 'is_starred', 'folder__folder_type']
+    search_fields = ['subject', 'from_address', 'owner__email']
+    date_hierarchy = 'email_date'
+    raw_id_fields = ['owner', 'folder', 'email_address']
+
+
+@admin.register(StaffEmailAttachment)
+class StaffEmailAttachmentAdmin(admin.ModelAdmin):
+    list_display = ['filename', 'email', 'content_type', 'size', 'is_inline', 'created_at']
+    search_fields = ['filename', 'email__subject']
+    raw_id_fields = ['email']
+
+
+@admin.register(StaffEmailLabel)
+class StaffEmailLabelAdmin(admin.ModelAdmin):
+    list_display = ['name', 'user', 'color', 'created_at']
+    search_fields = ['name', 'user__email']
+
+
+@admin.register(StaffEmailLabelAssignment)
+class StaffEmailLabelAssignmentAdmin(admin.ModelAdmin):
+    list_display = ['email', 'label', 'created_at']
+    raw_id_fields = ['email', 'label']
+
+
+@admin.register(EmailContactSuggestion)
+class EmailContactSuggestionAdmin(admin.ModelAdmin):
+    list_display = ['email', 'name', 'user', 'is_platform_user', 'use_count', 'last_used_at']
+    list_filter = ['is_platform_user']
+    search_fields = ['email', 'name', 'user__email']
diff --git a/smoothschedule/smoothschedule/communication/staff_email/apps.py b/smoothschedule/smoothschedule/communication/staff_email/apps.py
new file mode 100644
index 00000000..5173a435
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/apps.py
@@ -0,0 +1,11 @@
+from django.apps import AppConfig
+
+
+class StaffEmailConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'smoothschedule.communication.staff_email'
+    label = 'staff_email'
+    verbose_name = 'Staff Email'
+
+    def ready(self):
+        pass
diff --git a/smoothschedule/smoothschedule/communication/staff_email/consumers.py b/smoothschedule/smoothschedule/communication/staff_email/consumers.py
new file mode 100644
index 00000000..ae523a5b
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/consumers.py
@@ -0,0 +1,222 @@
+"""
+WebSocket consumers for Staff Email real-time updates.
+
+Provides real-time notifications for:
+- New email arrivals
+- Email read/unread status changes
+- Folder count updates
+- Email moved/deleted events
+"""
+import json
+from channels.generic.websocket import AsyncWebsocketConsumer
+from channels.db import database_sync_to_async
+
+
+@database_sync_to_async
+def get_user_email_addresses(user):
+    """Get email address IDs assigned to the user."""
+    from smoothschedule.platform.admin.models import PlatformEmailAddress
+
+    return list(
+        PlatformEmailAddress.objects.filter(
+            assigned_user=user,
+            routing_mode='STAFF',
+            is_active=True
+        ).values_list('id', flat=True)
+    )
+
+
+class StaffEmailConsumer(AsyncWebsocketConsumer):
+    """
+    WebSocket consumer for staff email real-time updates.
+
+    Adds the user to groups for each email address they have access to,
+    enabling targeted notifications when emails arrive or change.
+    """
+
+    async def connect(self):
+        """Handle WebSocket connection."""
+        if not self.scope["user"].is_authenticated:
+            await self.close()
+            return
+
+        user = self.scope["user"]
+        self.user_id = user.id
+        self.email_groups = []
+
+        # Add user to their personal staff email group
+        self.user_group_name = f'staff_email_user_{user.id}'
+        await self.channel_layer.group_add(
+            self.user_group_name,
+            self.channel_name
+        )
+
+        # Add user to groups for each email address they have access to
+        email_address_ids = await get_user_email_addresses(user)
+        for email_id in email_address_ids:
+            group_name = f'staff_email_address_{email_id}'
+            self.email_groups.append(group_name)
+            await self.channel_layer.group_add(
+                group_name,
+                self.channel_name
+            )
+
+        await self.accept()
+
+    async def disconnect(self, close_code):
+        """Handle WebSocket disconnection."""
+        # Remove from user group
+        if hasattr(self, 'user_group_name'):
+            await self.channel_layer.group_discard(
+                self.user_group_name,
+                self.channel_name
+            )
+
+        # Remove from all email address groups
+        for group_name in getattr(self, 'email_groups', []):
+            await self.channel_layer.group_discard(
+                group_name,
+                self.channel_name
+            )
+
+    async def receive(self, text_data):
+        """Handle messages from WebSocket client."""
+        # Currently read-only, but could support client commands later
+        try:
+            data = json.loads(text_data)
+            action = data.get('action')
+
+            if action == 'subscribe_address':
+                # Allow client to subscribe to additional email addresses
+                email_id = data.get('email_address_id')
+                if email_id:
+                    group_name = f'staff_email_address_{email_id}'
+                    if group_name not in self.email_groups:
+                        self.email_groups.append(group_name)
+                        await self.channel_layer.group_add(
+                            group_name,
+                            self.channel_name
+                        )
+
+            elif action == 'unsubscribe_address':
+                email_id = data.get('email_address_id')
+                if email_id:
+                    group_name = f'staff_email_address_{email_id}'
+                    if group_name in self.email_groups:
+                        self.email_groups.remove(group_name)
+                        await self.channel_layer.group_discard(
+                            group_name,
+                            self.channel_name
+                        )
+        except json.JSONDecodeError:
+            pass
+
+    async def staff_email_message(self, event):
+        """
+        Receive message from channel layer and send to WebSocket.
+
+        Event types:
+        - new_email: A new email has arrived
+        - email_read: An email was marked as read
+        - email_unread: An email was marked as unread
+        - email_moved: An email was moved to a different folder
+        - email_deleted: An email was deleted
+        - folder_counts: Folder counts have changed
+        - sync_started: Email sync has started
+        - sync_completed: Email sync has completed
+        """
+        await self.send(text_data=json.dumps(event['message']))
+
+
+def send_staff_email_notification(user_id, email_address_id, event_type, data):
+    """
+    Helper function to send staff email notifications via channel layer.
+
+    Call this from Django views/tasks to notify connected WebSocket clients.
+
+    Args:
+        user_id: The user ID to notify
+        email_address_id: The email address ID (for group targeting)
+        event_type: Type of event (new_email, email_read, etc.)
+        data: Event payload data
+    """
+    from channels.layers import get_channel_layer
+    from asgiref.sync import async_to_sync
+
+    channel_layer = get_channel_layer()
+
+    message = {
+        'type': event_type,
+        'data': data
+    }
+
+    # Send to user's personal group
+    async_to_sync(channel_layer.group_send)(
+        f'staff_email_user_{user_id}',
+        {
+            'type': 'staff_email_message',
+            'message': message
+        }
+    )
+
+    # Also send to email address group (for multi-user access in future)
+    if email_address_id:
+        async_to_sync(channel_layer.group_send)(
+            f'staff_email_address_{email_address_id}',
+            {
+                'type': 'staff_email_message',
+                'message': message
+            }
+        )
+
+
+def send_new_email_notification(user_id, email_address_id, email_data):
+    """
+    Send notification when a new email arrives.
+
+    Args:
+        user_id: Owner of the email
+        email_address_id: Email address that received the email
+        email_data: Serialized email data (from StaffEmailListSerializer)
+    """
+    send_staff_email_notification(
+        user_id=user_id,
+        email_address_id=email_address_id,
+        event_type='new_email',
+        data=email_data
+    )
+
+
+def send_folder_counts_update(user_id, email_address_id, folder_counts):
+    """
+    Send updated folder counts (unread/total).
+
+    Args:
+        user_id: Owner of the folders
+        email_address_id: Email address for the folders
+        folder_counts: Dict of folder_id -> {unread_count, total_count}
+    """
+    send_staff_email_notification(
+        user_id=user_id,
+        email_address_id=email_address_id,
+        event_type='folder_counts',
+        data=folder_counts
+    )
+
+
+def send_sync_status(user_id, email_address_id, status, details=None):
+    """
+    Send sync status updates.
+
+    Args:
+        user_id: Owner requesting the sync
+        email_address_id: Email address being synced
+        status: 'started', 'completed', 'error'
+        details: Optional details (error message, email count, etc.)
+    """
+    send_staff_email_notification(
+        user_id=user_id,
+        email_address_id=email_address_id,
+        event_type=f'sync_{status}',
+        data={'email_address_id': email_address_id, 'details': details}
+    )
diff --git a/smoothschedule/smoothschedule/communication/staff_email/imap_service.py b/smoothschedule/smoothschedule/communication/staff_email/imap_service.py
new file mode 100644
index 00000000..099168ac
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/imap_service.py
@@ -0,0 +1,889 @@
+"""
+IMAP Service for Staff Email Client
+
+Connects to IMAP server (mail.smoothschedule.com) to fetch emails
+and stores them in the StaffEmail model for display in the staff inbox UI.
+"""
+import imaplib
+import email
+from email.header import decode_header
+from email.utils import parseaddr, parsedate_to_datetime
+import re
+import logging
+from typing import Optional, Tuple, List, Dict, Any
+
+from django.utils import timezone
+from django.db import transaction
+
+from .models import (
+    StaffEmail,
+    StaffEmailFolder,
+    StaffEmailAttachment,
+    EmailContactSuggestion,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class StaffEmailImapService:
+    """
+    Service for fetching emails from IMAP server for staff inboxes.
+    """
+
+    def __init__(self, email_address):
+        """
+        Initialize with a PlatformEmailAddress instance.
+
+        Args:
+            email_address: PlatformEmailAddress with routing_mode='STAFF'
+        """
+        self.email_address = email_address
+        self.connection = None
+
+    def connect(self) -> bool:
+        """Establish connection to IMAP server."""
+        imap_settings = self.email_address.get_imap_settings()
+
+        try:
+            if imap_settings['use_ssl']:
+                self.connection = imaplib.IMAP4_SSL(
+                    imap_settings['host'],
+                    imap_settings['port']
+                )
+            else:
+                self.connection = imaplib.IMAP4(
+                    imap_settings['host'],
+                    imap_settings['port']
+                )
+
+            self.connection.login(
+                imap_settings['username'],
+                imap_settings['password']
+            )
+
+            logger.info(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"Connected to IMAP server"
+            )
+            return True
+
+        except imaplib.IMAP4.error as e:
+            logger.error(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"IMAP login failed: {e}"
+            )
+            self._update_error(f"IMAP login failed: {e}")
+            return False
+        except Exception as e:
+            logger.error(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"Failed to connect: {e}"
+            )
+            self._update_error(f"Connection failed: {e}")
+            return False
+
+    def disconnect(self):
+        """Close IMAP connection."""
+        if self.connection:
+            try:
+                self.connection.logout()
+            except Exception:
+                pass
+            self.connection = None
+
+    # Standard IMAP folder name to local folder type mapping
+    IMAP_FOLDER_MAPPING = {
+        'INBOX': StaffEmailFolder.FolderType.INBOX,
+        'Sent': StaffEmailFolder.FolderType.SENT,
+        'Sent Items': StaffEmailFolder.FolderType.SENT,
+        'Sent Messages': StaffEmailFolder.FolderType.SENT,
+        'Drafts': StaffEmailFolder.FolderType.DRAFTS,
+        'Draft': StaffEmailFolder.FolderType.DRAFTS,
+        'Trash': StaffEmailFolder.FolderType.TRASH,
+        'Deleted': StaffEmailFolder.FolderType.TRASH,
+        'Deleted Items': StaffEmailFolder.FolderType.TRASH,
+        'Deleted Messages': StaffEmailFolder.FolderType.TRASH,
+        'Archive': StaffEmailFolder.FolderType.ARCHIVE,
+        'Archives': StaffEmailFolder.FolderType.ARCHIVE,
+        'Spam': StaffEmailFolder.FolderType.SPAM,
+        'Junk': StaffEmailFolder.FolderType.SPAM,
+        'Junk E-mail': StaffEmailFolder.FolderType.SPAM,
+    }
+
+    def list_server_folders(self) -> List[Dict[str, Any]]:
+        """
+        List all folders from the IMAP server.
+
+        Returns:
+            List of dicts with 'name', 'flags', 'delimiter' keys
+        """
+        if not self.connection:
+            if not self.connect():
+                return []
+
+        folders = []
+        try:
+            status, folder_list = self.connection.list()
+            if status != 'OK':
+                return []
+
+            for folder_data in folder_list:
+                if folder_data:
+                    # Parse IMAP LIST response: (flags) "delimiter" "name"
+                    folder_str = folder_data.decode('utf-8', errors='replace')
+                    match = re.match(r'\(([^)]*)\)\s+"([^"]+)"\s+"?([^"]+)"?', folder_str)
+                    if match:
+                        flags = match.group(1).split()
+                        delimiter = match.group(2)
+                        name = match.group(3).strip('"')
+
+                        # Skip special folders that can't be selected
+                        if '\\Noselect' in flags:
+                            continue
+
+                        folders.append({
+                            'name': name,
+                            'flags': flags,
+                            'delimiter': delimiter,
+                        })
+
+            logger.info(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"Found {len(folders)} folders on server"
+            )
+
+        except Exception as e:
+            logger.error(f"Error listing IMAP folders: {e}")
+
+        return folders
+
+    def sync_folders_from_server(self, user) -> List[StaffEmailFolder]:
+        """
+        Sync folders from IMAP server to local database.
+        Creates local folders matching server folders.
+
+        Args:
+            user: The User who owns these folders
+
+        Returns:
+            List of created/updated StaffEmailFolder objects
+        """
+        # First ensure default folders exist
+        StaffEmailFolder.create_default_folders(user)
+
+        server_folders = self.list_server_folders()
+        synced_folders = []
+
+        for server_folder in server_folders:
+            folder_name = server_folder['name']
+
+            # Determine folder type based on name
+            folder_type = self.IMAP_FOLDER_MAPPING.get(
+                folder_name,
+                StaffEmailFolder.FolderType.CUSTOM
+            )
+
+            # Check if folder already exists
+            existing = StaffEmailFolder.objects.filter(
+                user=user,
+                name=folder_name
+            ).first()
+
+            if existing:
+                synced_folders.append(existing)
+            else:
+                # Create new folder for custom folders only
+                # System folders should already exist from create_default_folders
+                if folder_type == StaffEmailFolder.FolderType.CUSTOM:
+                    folder = StaffEmailFolder.objects.create(
+                        user=user,
+                        name=folder_name,
+                        folder_type=folder_type,
+                        display_order=100  # Custom folders at end
+                    )
+                    synced_folders.append(folder)
+                    logger.info(f"Created folder: {folder_name}")
+                else:
+                    # Find existing system folder
+                    existing_system = StaffEmailFolder.objects.filter(
+                        user=user,
+                        folder_type=folder_type
+                    ).first()
+                    if existing_system:
+                        synced_folders.append(existing_system)
+
+        return synced_folders
+
+    def get_local_folder_for_imap(self, user, imap_folder_name: str) -> StaffEmailFolder:
+        """
+        Get or create the local folder corresponding to an IMAP folder.
+
+        Args:
+            user: The User who owns these folders
+            imap_folder_name: Name of the IMAP folder
+
+        Returns:
+            StaffEmailFolder instance
+        """
+        folder_type = self.IMAP_FOLDER_MAPPING.get(
+            imap_folder_name,
+            StaffEmailFolder.FolderType.CUSTOM
+        )
+
+        if folder_type != StaffEmailFolder.FolderType.CUSTOM:
+            # Get or create system folder
+            return StaffEmailFolder.get_or_create_folder(user, folder_type)
+        else:
+            # Get or create custom folder
+            folder, created = StaffEmailFolder.objects.get_or_create(
+                user=user,
+                name=imap_folder_name,
+                defaults={
+                    'folder_type': StaffEmailFolder.FolderType.CUSTOM,
+                    'display_order': 100
+                }
+            )
+            return folder
+
+    def full_sync(self) -> Dict[str, int]:
+        """
+        Perform a full sync of all folders and all emails (including read).
+
+        Returns:
+            Dict mapping folder names to count of emails synced
+        """
+        if not self.email_address.is_active:
+            return {}
+
+        if not self.email_address.assigned_user:
+            logger.warning(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"No assigned user, skipping"
+            )
+            return {}
+
+        if not self.connect():
+            return {}
+
+        user = self.email_address.assigned_user
+        results = {}
+        total_processed = 0
+
+        try:
+            # Sync folders first
+            self.sync_folders_from_server(user)
+
+            # Get all server folders
+            server_folders = self.list_server_folders()
+
+            for server_folder in server_folders:
+                folder_name = server_folder['name']
+
+                try:
+                    # Select the folder
+                    status, _ = self.connection.select(folder_name)
+                    if status != 'OK':
+                        logger.warning(f"Could not select folder: {folder_name}")
+                        continue
+
+                    # Get ALL emails (not just unread)
+                    status, messages = self.connection.search(None, 'ALL')
+                    if status != 'OK':
+                        continue
+
+                    email_ids = messages[0].split() if messages[0] else []
+                    folder_count = 0
+
+                    logger.info(
+                        f"[StaffEmail: {self.email_address.display_name}] "
+                        f"Syncing {len(email_ids)} emails from {folder_name}"
+                    )
+
+                    # Get local folder
+                    local_folder = self.get_local_folder_for_imap(user, folder_name)
+
+                    for email_id in email_ids:
+                        try:
+                            if self._process_single_email_to_folder(email_id, user, local_folder):
+                                folder_count += 1
+                        except Exception as e:
+                            logger.error(f"Error processing email {email_id}: {e}")
+
+                    results[folder_name] = folder_count
+                    total_processed += folder_count
+
+                except Exception as e:
+                    logger.error(f"Error syncing folder {folder_name}: {e}")
+                    results[folder_name] = -1
+
+            # Update last check time
+            self.email_address.last_check_at = timezone.now()
+            self.email_address.emails_processed_count += total_processed
+            self.email_address.last_sync_error = ''
+            self.email_address.save(
+                update_fields=['last_check_at', 'emails_processed_count', 'last_sync_error']
+            )
+
+        except Exception as e:
+            logger.error(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"Error during full sync: {e}"
+            )
+            self._update_error(str(e))
+        finally:
+            self.disconnect()
+
+        return results
+
+    def _process_single_email_to_folder(
+        self, email_id: bytes, user, folder: StaffEmailFolder
+    ) -> bool:
+        """Process a single email and store it in the specified folder."""
+        status, msg_data = self.connection.fetch(email_id, '(RFC822 UID FLAGS)')
+
+        if status != 'OK':
+            return False
+
+        raw_email = msg_data[0][1]
+        msg = email.message_from_bytes(raw_email)
+
+        # Extract UID and flags from response
+        uid = ''
+        flags = []
+        if msg_data[0][0]:
+            response_str = msg_data[0][0].decode('utf-8', errors='replace')
+            uid_match = re.search(r'UID (\d+)', response_str)
+            if uid_match:
+                uid = uid_match.group(1)
+            flags_match = re.search(r'FLAGS \(([^)]*)\)', response_str)
+            if flags_match:
+                flags = flags_match.group(1).split()
+
+        # Extract email data
+        email_data = self._extract_email_data(msg)
+
+        # Check for duplicate by message_id
+        if StaffEmail.objects.filter(
+            owner=user,
+            message_id=email_data['message_id']
+        ).exists():
+            return False  # Already have this email
+
+        # Determine if email is read based on IMAP flags
+        is_read = '\\Seen' in flags
+
+        try:
+            with transaction.atomic():
+                # Create the email record
+                staff_email = StaffEmail.objects.create(
+                    owner=user,
+                    folder=folder,
+                    email_address=self.email_address,
+                    message_id=email_data['message_id'],
+                    in_reply_to=email_data['in_reply_to'],
+                    references=email_data['references'],
+                    from_address=email_data['from_address'],
+                    from_name=email_data['from_name'],
+                    to_addresses=email_data['to_addresses'],
+                    cc_addresses=email_data['cc_addresses'],
+                    bcc_addresses=[],
+                    reply_to=email_data['reply_to'],
+                    subject=email_data['subject'],
+                    body_text=email_data['body_text'],
+                    body_html=email_data['body_html'],
+                    status=StaffEmail.Status.RECEIVED,
+                    is_read=is_read,
+                    has_attachments=len(email_data['attachments']) > 0,
+                    imap_uid=uid,
+                    imap_flags=flags,
+                    email_date=email_data['date'],
+                )
+
+                # Process attachments
+                for attachment_data in email_data['attachments']:
+                    self._save_attachment(staff_email, attachment_data)
+
+                # Add sender to contact suggestions
+                EmailContactSuggestion.add_or_update_contact(
+                    user=user,
+                    email=email_data['from_address'],
+                    name=email_data['from_name']
+                )
+
+                return True
+
+        except Exception as e:
+            logger.error(f"Failed to save email: {e}")
+            return False
+
+    def fetch_and_process_emails(self) -> int:
+        """
+        Fetch new emails from IMAP and store them in the database.
+
+        Returns:
+            Number of emails successfully processed
+        """
+        if not self.email_address.is_active:
+            return 0
+
+        if not self.email_address.assigned_user:
+            logger.warning(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"No assigned user, skipping"
+            )
+            return 0
+
+        if not self.connect():
+            return 0
+
+        user = self.email_address.assigned_user
+        processed_count = 0
+
+        try:
+            # Ensure user has default folders
+            StaffEmailFolder.create_default_folders(user)
+
+            # Select inbox
+            self.connection.select('INBOX')
+            status, messages = self.connection.search(None, 'UNSEEN')
+
+            if status != 'OK':
+                logger.error(
+                    f"[StaffEmail: {self.email_address.display_name}] "
+                    f"Failed to search emails"
+                )
+                return 0
+
+            email_ids = messages[0].split()
+            logger.info(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"Found {len(email_ids)} unread emails"
+            )
+
+            for email_id in email_ids:
+                try:
+                    if self._process_single_email(email_id, user):
+                        processed_count += 1
+                except Exception as e:
+                    logger.error(
+                        f"[StaffEmail: {self.email_address.display_name}] "
+                        f"Error processing email {email_id}: {e}"
+                    )
+
+            # Update last check time
+            self.email_address.last_check_at = timezone.now()
+            self.email_address.emails_processed_count += processed_count
+            self.email_address.last_sync_error = ''
+            self.email_address.save(
+                update_fields=['last_check_at', 'emails_processed_count', 'last_sync_error']
+            )
+
+        except Exception as e:
+            logger.error(
+                f"[StaffEmail: {self.email_address.display_name}] "
+                f"Error fetching emails: {e}"
+            )
+            self._update_error(str(e))
+        finally:
+            self.disconnect()
+
+        return processed_count
+
+    def _process_single_email(self, email_id: bytes, user) -> bool:
+        """Process a single email message and store it."""
+        status, msg_data = self.connection.fetch(email_id, '(RFC822 UID FLAGS)')
+
+        if status != 'OK':
+            return False
+
+        raw_email = msg_data[0][1]
+        msg = email.message_from_bytes(raw_email)
+
+        # Extract UID and flags from response
+        uid = ''
+        flags = []
+        if msg_data[0][0]:
+            response_str = msg_data[0][0].decode('utf-8', errors='replace')
+            uid_match = re.search(r'UID (\d+)', response_str)
+            if uid_match:
+                uid = uid_match.group(1)
+            flags_match = re.search(r'FLAGS \(([^)]*)\)', response_str)
+            if flags_match:
+                flags = flags_match.group(1).split()
+
+        # Extract email data
+        email_data = self._extract_email_data(msg)
+
+        # Check for duplicate by message_id
+        if StaffEmail.objects.filter(
+            owner=user,
+            message_id=email_data['message_id']
+        ).exists():
+            logger.info(f"Duplicate email: {email_data['message_id']}")
+            return False
+
+        # Get or create inbox folder
+        inbox_folder = StaffEmailFolder.get_or_create_folder(
+            user,
+            StaffEmailFolder.FolderType.INBOX
+        )
+
+        try:
+            with transaction.atomic():
+                # Create the email record
+                staff_email = StaffEmail.objects.create(
+                    owner=user,
+                    folder=inbox_folder,
+                    email_address=self.email_address,
+                    message_id=email_data['message_id'],
+                    in_reply_to=email_data['in_reply_to'],
+                    references=email_data['references'],
+                    from_address=email_data['from_address'],
+                    from_name=email_data['from_name'],
+                    to_addresses=email_data['to_addresses'],
+                    cc_addresses=email_data['cc_addresses'],
+                    bcc_addresses=[],
+                    reply_to=email_data['reply_to'],
+                    subject=email_data['subject'],
+                    body_text=email_data['body_text'],
+                    body_html=email_data['body_html'],
+                    status=StaffEmail.Status.RECEIVED,
+                    is_read=False,
+                    has_attachments=len(email_data['attachments']) > 0,
+                    imap_uid=uid,
+                    imap_flags=flags,
+                    email_date=email_data['date'],
+                )
+
+                # Process attachments
+                for attachment_data in email_data['attachments']:
+                    self._save_attachment(staff_email, attachment_data)
+
+                # Add sender to contact suggestions
+                EmailContactSuggestion.add_or_update_contact(
+                    user=user,
+                    email=email_data['from_address'],
+                    name=email_data['from_name']
+                )
+
+                logger.info(
+                    f"Created email #{staff_email.id}: {email_data['subject'][:50]}"
+                )
+                return True
+
+        except Exception as e:
+            logger.error(f"Failed to save email: {e}")
+            return False
+
+    def _extract_email_data(self, msg: email.message.Message) -> Dict[str, Any]:
+        """Extract relevant data from an email message."""
+        message_id = msg.get('Message-ID', '')
+        if not message_id:
+            message_id = f"generated-{timezone.now().timestamp()}"
+
+        from_name, from_address = parseaddr(msg.get('From', ''))
+        from_name = self._decode_header(from_name)
+
+        to_addresses = self._parse_address_list(msg.get('To', ''))
+        cc_addresses = self._parse_address_list(msg.get('Cc', ''))
+        _, reply_to = parseaddr(msg.get('Reply-To', ''))
+
+        subject = self._decode_header(msg.get('Subject', ''))
+
+        date_str = msg.get('Date', '')
+        try:
+            email_date = parsedate_to_datetime(date_str)
+        except Exception:
+            email_date = timezone.now()
+
+        in_reply_to = msg.get('In-Reply-To', '').strip()
+        references = msg.get('References', '').strip()
+
+        body_text, body_html, attachments = self._extract_body_and_attachments(msg)
+
+        return {
+            'message_id': message_id,
+            'from_name': from_name,
+            'from_address': from_address.lower(),
+            'to_addresses': to_addresses,
+            'cc_addresses': cc_addresses,
+            'reply_to': reply_to.lower() if reply_to else '',
+            'subject': subject,
+            'body_text': body_text,
+            'body_html': body_html,
+            'date': email_date,
+            'in_reply_to': in_reply_to,
+            'references': references,
+            'attachments': attachments,
+        }
+
+    def _parse_address_list(self, header_value: str) -> List[Dict[str, str]]:
+        """Parse a comma-separated list of email addresses."""
+        if not header_value:
+            return []
+
+        addresses = []
+        parts = re.split(r',\s*(?=(?:[^"]*"[^"]*")*[^"]*$)', header_value)
+
+        for part in parts:
+            name, addr = parseaddr(part.strip())
+            if addr:
+                addresses.append({
+                    'email': addr.lower(),
+                    'name': self._decode_header(name)
+                })
+
+        return addresses
+
+    def _decode_header(self, header_value: str) -> str:
+        """Decode an email header value."""
+        if not header_value:
+            return ''
+
+        decoded_parts = decode_header(header_value)
+        result = []
+
+        for content, charset in decoded_parts:
+            if isinstance(content, bytes):
+                charset = charset or 'utf-8'
+                try:
+                    content = content.decode(charset)
+                except Exception:
+                    content = content.decode('utf-8', errors='replace')
+            result.append(content)
+
+        return ''.join(result)
+
+    def _extract_body_and_attachments(
+        self, msg: email.message.Message
+    ) -> Tuple[str, str, List[Dict]]:
+        """Extract text body, HTML body, and attachments from email."""
+        text_body = ''
+        html_body = ''
+        attachments = []
+
+        if msg.is_multipart():
+            for part in msg.walk():
+                content_type = part.get_content_type()
+                content_disposition = str(part.get('Content-Disposition', ''))
+
+                if 'attachment' in content_disposition or (
+                    content_type not in ['text/plain', 'text/html'] and
+                    part.get_filename()
+                ):
+                    filename = part.get_filename()
+                    if filename:
+                        filename = self._decode_header(filename)
+                        payload = part.get_payload(decode=True)
+                        if payload:
+                            attachments.append({
+                                'filename': filename,
+                                'content_type': content_type,
+                                'data': payload,
+                                'size': len(payload),
+                                'content_id': part.get('Content-ID', '').strip('<>'),
+                                'is_inline': 'inline' in content_disposition,
+                            })
+                    continue
+
+                try:
+                    body = part.get_payload(decode=True)
+                    if body:
+                        charset = part.get_content_charset() or 'utf-8'
+                        body = body.decode(charset, errors='replace')
+
+                        if content_type == 'text/plain' and not text_body:
+                            text_body = body
+                        elif content_type == 'text/html' and not html_body:
+                            html_body = body
+                except Exception as e:
+                    logger.warning(f"Error extracting body part: {e}")
+        else:
+            content_type = msg.get_content_type()
+            try:
+                body = msg.get_payload(decode=True)
+                if body:
+                    charset = msg.get_content_charset() or 'utf-8'
+                    body = body.decode(charset, errors='replace')
+
+                    if content_type == 'text/plain':
+                        text_body = body
+                    elif content_type == 'text/html':
+                        html_body = body
+            except Exception as e:
+                logger.warning(f"Error extracting body: {e}")
+
+        if not text_body and html_body:
+            text_body = self._html_to_text(html_body)
+
+        return text_body, html_body, attachments
+
+    def _html_to_text(self, html: str) -> str:
+        """Convert HTML to plain text."""
+        text = re.sub(r'<script[^>]*>.*?</script>', '', html, flags=re.DOTALL | re.IGNORECASE)
+        text = re.sub(r'<style[^>]*>.*?</style>', '', text, flags=re.DOTALL | re.IGNORECASE)
+        text = re.sub(r'<br\s*/?>', '\n', text, flags=re.IGNORECASE)
+        text = re.sub(r'</p>', '\n\n', text, flags=re.IGNORECASE)
+        text = re.sub(r'<[^>]+>', '', text)
+
+        import html as html_module
+        text = html_module.unescape(text)
+        text = re.sub(r'\n\s*\n', '\n\n', text)
+        return text.strip()
+
+    def _save_attachment(
+        self,
+        staff_email: StaffEmail,
+        attachment_data: Dict[str, Any]
+    ) -> Optional[StaffEmailAttachment]:
+        """Save an attachment to storage and create database record."""
+        try:
+            # TODO: Implement actual DigitalOcean Spaces upload
+            storage_path = f"email_attachments/{staff_email.owner.id}/{staff_email.id}/{attachment_data['filename']}"
+
+            attachment = StaffEmailAttachment.objects.create(
+                email=staff_email,
+                filename=attachment_data['filename'],
+                content_type=attachment_data['content_type'],
+                size=attachment_data['size'],
+                storage_path=storage_path,
+                content_id=attachment_data.get('content_id', ''),
+                is_inline=attachment_data.get('is_inline', False),
+            )
+
+            return attachment
+
+        except Exception as e:
+            logger.error(f"Failed to save attachment: {e}")
+            return None
+
+    def sync_folder(self, folder_name: str = 'INBOX', full_sync: bool = False) -> int:
+        """Sync a specific IMAP folder with local database."""
+        if not self.connect():
+            return 0
+
+        user = self.email_address.assigned_user
+        if not user:
+            return 0
+
+        synced_count = 0
+
+        try:
+            status, _ = self.connection.select(folder_name)
+            if status != 'OK':
+                logger.error(f"Could not select folder: {folder_name}")
+                return 0
+
+            if full_sync:
+                status, messages = self.connection.search(None, 'ALL')
+            else:
+                status, messages = self.connection.search(None, 'UNSEEN')
+
+            if status != 'OK':
+                return 0
+
+            email_ids = messages[0].split()
+
+            for email_id in email_ids:
+                try:
+                    if self._process_single_email(email_id, user):
+                        synced_count += 1
+                except Exception as e:
+                    logger.error(f"Error syncing email {email_id}: {e}")
+
+        except Exception as e:
+            logger.error(f"Error during folder sync: {e}")
+        finally:
+            self.disconnect()
+
+        return synced_count
+
+    def mark_as_read_on_server(self, staff_email: StaffEmail) -> bool:
+        """Mark an email as read on the IMAP server."""
+        if not staff_email.imap_uid:
+            return False
+
+        if not self.connect():
+            return False
+
+        try:
+            self.connection.select('INBOX')
+            self.connection.uid('STORE', staff_email.imap_uid, '+FLAGS', '\\Seen')
+            return True
+        except Exception as e:
+            logger.error(f"Failed to mark email as read on server: {e}")
+            return False
+        finally:
+            self.disconnect()
+
+    def mark_as_unread_on_server(self, staff_email: StaffEmail) -> bool:
+        """Mark an email as unread on the IMAP server."""
+        if not staff_email.imap_uid:
+            return False
+
+        if not self.connect():
+            return False
+
+        try:
+            self.connection.select('INBOX')
+            self.connection.uid('STORE', staff_email.imap_uid, '-FLAGS', '\\Seen')
+            return True
+        except Exception as e:
+            logger.error(f"Failed to mark email as unread on server: {e}")
+            return False
+        finally:
+            self.disconnect()
+
+    def delete_on_server(self, staff_email: StaffEmail) -> bool:
+        """Delete an email from the IMAP server."""
+        if not staff_email.imap_uid:
+            return False
+
+        if not self.connect():
+            return False
+
+        try:
+            self.connection.select('INBOX')
+            self.connection.uid('STORE', staff_email.imap_uid, '+FLAGS', '\\Deleted')
+            self.connection.expunge()
+            return True
+        except Exception as e:
+            logger.error(f"Failed to delete email on server: {e}")
+            return False
+        finally:
+            self.disconnect()
+
+    def _update_error(self, error: str):
+        """Update email address with error message."""
+        self.email_address.last_sync_error = error
+        self.email_address.last_check_at = timezone.now()
+        self.email_address.save(update_fields=['last_sync_error', 'last_check_at'])
+
+
+def fetch_all_staff_emails() -> Dict[str, int]:
+    """Fetch emails for all staff-assigned email addresses."""
+    from smoothschedule.platform.admin.models import PlatformEmailAddress
+
+    results = {}
+
+    staff_addresses = PlatformEmailAddress.objects.filter(
+        is_active=True,
+        routing_mode=PlatformEmailAddress.RoutingMode.STAFF,
+        assigned_user__isnull=False
+    ).select_related('assigned_user')
+
+    for email_addr in staff_addresses:
+        try:
+            service = StaffEmailImapService(email_addr)
+            processed = service.fetch_and_process_emails()
+            results[email_addr.email_address] = processed
+            logger.info(
+                f"Fetched {processed} emails for {email_addr.email_address}"
+            )
+        except Exception as e:
+            logger.error(
+                f"Error fetching emails for {email_addr.email_address}: {e}"
+            )
+            results[email_addr.email_address] = -1
+
+    return results
diff --git a/smoothschedule/smoothschedule/communication/staff_email/migrations/0001_initial.py b/smoothschedule/smoothschedule/communication/staff_email/migrations/0001_initial.py
new file mode 100644
index 00000000..0867d1a1
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/migrations/0001_initial.py
@@ -0,0 +1,170 @@
+# Generated by Django 5.2.8 on 2025-12-18 03:57
+
+import django.db.models.deletion
+import django.utils.timezone
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('platform_admin', '0014_add_routing_mode_and_email_models'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StaffEmail',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('message_id', models.CharField(db_index=True, help_text='Unique Message-ID header', max_length=500)),
+                ('thread_id', models.CharField(blank=True, db_index=True, default='', help_text='Thread identifier for conversation grouping', max_length=500)),
+                ('in_reply_to', models.CharField(blank=True, default='', help_text='In-Reply-To header', max_length=500)),
+                ('references', models.TextField(blank=True, default='', help_text='References header (space-separated message IDs)')),
+                ('from_address', models.EmailField(db_index=True, max_length=254)),
+                ('from_name', models.CharField(blank=True, default='', max_length=255)),
+                ('to_addresses', models.JSONField(default=list, help_text='List of {email, name} objects')),
+                ('cc_addresses', models.JSONField(default=list)),
+                ('bcc_addresses', models.JSONField(default=list)),
+                ('reply_to', models.EmailField(blank=True, default='', max_length=254)),
+                ('subject', models.CharField(blank=True, default='', max_length=998)),
+                ('body_text', models.TextField(blank=True, default='')),
+                ('body_html', models.TextField(blank=True, default='')),
+                ('snippet', models.CharField(blank=True, default='', help_text='Preview snippet for list view', max_length=200)),
+                ('status', models.CharField(choices=[('RECEIVED', 'Received'), ('SENT', 'Sent'), ('DRAFT', 'Draft'), ('SENDING', 'Sending'), ('FAILED', 'Failed to Send')], default='RECEIVED', max_length=20)),
+                ('is_read', models.BooleanField(db_index=True, default=False)),
+                ('is_starred', models.BooleanField(db_index=True, default=False)),
+                ('is_important', models.BooleanField(default=False)),
+                ('is_answered', models.BooleanField(default=False)),
+                ('has_attachments', models.BooleanField(default=False)),
+                ('imap_uid', models.CharField(blank=True, default='', help_text='IMAP UID for syncing', max_length=100)),
+                ('imap_flags', models.JSONField(default=list, help_text='IMAP flags from server')),
+                ('email_date', models.DateTimeField(db_index=True, help_text='Date from email headers')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('is_permanently_deleted', models.BooleanField(db_index=True, default=False, help_text='Soft delete flag - archived emails are hidden but not removed')),
+                ('deleted_at', models.DateTimeField(blank=True, help_text='When the email was permanently deleted/archived', null=True)),
+                ('email_address', models.ForeignKey(help_text='Email address used to send/receive', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='staff_email_messages', to='platform_admin.platformemailaddress')),
+                ('owner', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='staff_email_messages', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['-email_date'],
+            },
+        ),
+        migrations.CreateModel(
+            name='StaffEmailAttachment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('filename', models.CharField(max_length=255)),
+                ('content_type', models.CharField(max_length=100)),
+                ('size', models.IntegerField(help_text='Size in bytes')),
+                ('storage_path', models.CharField(blank=True, default='', help_text='Path in DigitalOcean Spaces', max_length=500)),
+                ('content_id', models.CharField(blank=True, default='', help_text='Content-ID for inline attachments', max_length=255)),
+                ('is_inline', models.BooleanField(default=False, help_text='Whether this is an inline attachment (embedded image)')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('email', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='attachments', to='staff_email.staffemail')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='StaffEmailFolder',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('folder_type', models.CharField(choices=[('INBOX', 'Inbox'), ('SENT', 'Sent'), ('DRAFTS', 'Drafts'), ('TRASH', 'Trash'), ('ARCHIVE', 'Archive'), ('SPAM', 'Spam'), ('CUSTOM', 'Custom')], default='CUSTOM', max_length=20)),
+                ('color', models.CharField(blank=True, default='', max_length=7)),
+                ('icon', models.CharField(blank=True, default='', max_length=50)),
+                ('display_order', models.IntegerField(default=0)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('parent', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='subfolders', to='staff_email.staffemailfolder')),
+                ('user', models.ForeignKey(help_text='Staff member who owns this folder', on_delete=django.db.models.deletion.CASCADE, related_name='staff_email_folders', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['folder_type', 'display_order', 'name'],
+                'unique_together': {('user', 'name', 'parent')},
+            },
+        ),
+        migrations.AddField(
+            model_name='staffemail',
+            name='folder',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='emails', to='staff_email.staffemailfolder'),
+        ),
+        migrations.CreateModel(
+            name='StaffEmailLabel',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('color', models.CharField(default='#6b7280', max_length=7)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='staff_email_labels', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='StaffEmailLabelAssignment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('email', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='label_assignments', to='staff_email.staffemail')),
+                ('label', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='email_assignments', to='staff_email.staffemaillabel')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='EmailContactSuggestion',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('email', models.EmailField(max_length=254)),
+                ('name', models.CharField(blank=True, default='', max_length=255)),
+                ('is_platform_user', models.BooleanField(default=False)),
+                ('use_count', models.IntegerField(default=0)),
+                ('last_used_at', models.DateTimeField(default=django.utils.timezone.now)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('platform_user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='staff_email_contact_references', to=settings.AUTH_USER_MODEL)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='staff_email_contacts', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['-use_count', 'name'],
+                'unique_together': {('user', 'email')},
+            },
+        ),
+        migrations.AddIndex(
+            model_name='staffemail',
+            index=models.Index(fields=['owner', 'folder', '-email_date'], name='staff_email_owner_i_7e76e0_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='staffemail',
+            index=models.Index(fields=['owner', 'is_read'], name='staff_email_owner_i_d4e307_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='staffemail',
+            index=models.Index(fields=['owner', 'is_starred'], name='staff_email_owner_i_f49479_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='staffemail',
+            index=models.Index(fields=['thread_id'], name='staff_email_thread__5a26d3_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='staffemail',
+            index=models.Index(fields=['message_id'], name='staff_email_message_074b25_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='staffemail',
+            index=models.Index(fields=['from_address'], name='staff_email_from_ad_3af8a3_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='staffemail',
+            index=models.Index(fields=['owner', 'is_permanently_deleted'], name='staff_email_owner_i_da3794_idx'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='staffemaillabel',
+            unique_together={('user', 'name')},
+        ),
+        migrations.AlterUniqueTogether(
+            name='staffemaillabelassignment',
+            unique_together={('email', 'label')},
+        ),
+    ]
diff --git a/smoothschedule/smoothschedule/communication/staff_email/migrations/__init__.py b/smoothschedule/smoothschedule/communication/staff_email/migrations/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/smoothschedule/smoothschedule/communication/staff_email/models.py b/smoothschedule/smoothschedule/communication/staff_email/models.py
new file mode 100644
index 00000000..be81cb48
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/models.py
@@ -0,0 +1,532 @@
+"""
+Staff Email Models
+
+Models for the platform staff email client system.
+Stores emails fetched from IMAP for staff members with assigned email addresses.
+"""
+import hashlib
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django.utils import timezone
+
+from smoothschedule.identity.users.models import User
+
+
+class StaffEmailFolder(models.Model):
+    """
+    Email folders for staff members.
+    System folders are auto-created; users can add custom folders.
+    """
+    class FolderType(models.TextChoices):
+        INBOX = 'INBOX', _('Inbox')
+        SENT = 'SENT', _('Sent')
+        DRAFTS = 'DRAFTS', _('Drafts')
+        TRASH = 'TRASH', _('Trash')
+        ARCHIVE = 'ARCHIVE', _('Archive')
+        SPAM = 'SPAM', _('Spam')
+        CUSTOM = 'CUSTOM', _('Custom')
+
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name='staff_email_folders',
+        help_text="Staff member who owns this folder"
+    )
+    name = models.CharField(max_length=100)
+    folder_type = models.CharField(
+        max_length=20,
+        choices=FolderType.choices,
+        default=FolderType.CUSTOM
+    )
+    parent = models.ForeignKey(
+        'self',
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        related_name='subfolders'
+    )
+    color = models.CharField(max_length=7, blank=True, default='')
+    icon = models.CharField(max_length=50, blank=True, default='')
+    display_order = models.IntegerField(default=0)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        app_label = 'staff_email'
+        ordering = ['folder_type', 'display_order', 'name']
+        unique_together = [['user', 'name', 'parent']]
+
+    def __str__(self):
+        return f"{self.name} ({self.user.email})"
+
+    @property
+    def unread_count(self):
+        """Calculate unread count dynamically."""
+        return self.emails.filter(is_read=False).count()
+
+    @property
+    def total_count(self):
+        """Total emails in folder."""
+        return self.emails.count()
+
+    @classmethod
+    def create_default_folders(cls, user):
+        """Create system folders for a new user."""
+        system_folders = [
+            ('Inbox', cls.FolderType.INBOX, 0),
+            ('Sent', cls.FolderType.SENT, 1),
+            ('Drafts', cls.FolderType.DRAFTS, 2),
+            ('Archive', cls.FolderType.ARCHIVE, 3),
+            ('Spam', cls.FolderType.SPAM, 4),
+            ('Trash', cls.FolderType.TRASH, 5),
+        ]
+        created_folders = []
+        for name, folder_type, order in system_folders:
+            folder, created = cls.objects.get_or_create(
+                user=user,
+                folder_type=folder_type,
+                defaults={'name': name, 'display_order': order}
+            )
+            created_folders.append(folder)
+        return created_folders
+
+    @classmethod
+    def get_or_create_folder(cls, user, folder_type):
+        """Get a system folder, creating if necessary."""
+        folder = cls.objects.filter(user=user, folder_type=folder_type).first()
+        if not folder:
+            cls.create_default_folders(user)
+            folder = cls.objects.filter(user=user, folder_type=folder_type).first()
+        return folder
+
+
+class ActiveStaffEmailManager(models.Manager):
+    """Manager that excludes permanently deleted/archived emails."""
+    def get_queryset(self):
+        return super().get_queryset().filter(is_permanently_deleted=False)
+
+
+class StaffEmail(models.Model):
+    """
+    Email stored in the platform database for staff members.
+    Fetched from IMAP and cached locally for quick access.
+
+    Note: Deleted emails are archived (soft delete), not hard deleted.
+    Use `objects` manager to exclude archived, `all_objects` to include them.
+    """
+    # Managers - active emails by default, all_objects includes archived
+    objects = ActiveStaffEmailManager()
+    all_objects = models.Manager()
+
+    class Status(models.TextChoices):
+        RECEIVED = 'RECEIVED', _('Received')
+        SENT = 'SENT', _('Sent')
+        DRAFT = 'DRAFT', _('Draft')
+        SENDING = 'SENDING', _('Sending')
+        FAILED = 'FAILED', _('Failed to Send')
+
+    # Owner and folder
+    owner = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name='staff_email_messages'
+    )
+    folder = models.ForeignKey(
+        StaffEmailFolder,
+        on_delete=models.CASCADE,
+        related_name='emails'
+    )
+    email_address = models.ForeignKey(
+        'platform_admin.PlatformEmailAddress',
+        on_delete=models.SET_NULL,
+        null=True,
+        related_name='staff_email_messages',
+        help_text="Email address used to send/receive"
+    )
+
+    # Email metadata for threading
+    message_id = models.CharField(
+        max_length=500,
+        db_index=True,
+        help_text="Unique Message-ID header"
+    )
+    thread_id = models.CharField(
+        max_length=500,
+        blank=True,
+        default='',
+        db_index=True,
+        help_text="Thread identifier for conversation grouping"
+    )
+    in_reply_to = models.CharField(
+        max_length=500,
+        blank=True,
+        default='',
+        help_text="In-Reply-To header"
+    )
+    references = models.TextField(
+        blank=True,
+        default='',
+        help_text="References header (space-separated message IDs)"
+    )
+
+    # Headers
+    from_address = models.EmailField(db_index=True)
+    from_name = models.CharField(max_length=255, blank=True, default='')
+    to_addresses = models.JSONField(
+        default=list,
+        help_text="List of {email, name} objects"
+    )
+    cc_addresses = models.JSONField(default=list)
+    bcc_addresses = models.JSONField(default=list)
+    reply_to = models.EmailField(blank=True, default='')
+
+    # Content
+    subject = models.CharField(max_length=998, blank=True, default='')
+    body_text = models.TextField(blank=True, default='')
+    body_html = models.TextField(blank=True, default='')
+    snippet = models.CharField(
+        max_length=200,
+        blank=True,
+        default='',
+        help_text="Preview snippet for list view"
+    )
+
+    # Status flags
+    status = models.CharField(
+        max_length=20,
+        choices=Status.choices,
+        default=Status.RECEIVED
+    )
+    is_read = models.BooleanField(default=False, db_index=True)
+    is_starred = models.BooleanField(default=False, db_index=True)
+    is_important = models.BooleanField(default=False)
+    is_answered = models.BooleanField(default=False)
+    has_attachments = models.BooleanField(default=False)
+
+    # IMAP sync metadata
+    imap_uid = models.CharField(
+        max_length=100,
+        blank=True,
+        default='',
+        help_text="IMAP UID for syncing"
+    )
+    imap_flags = models.JSONField(
+        default=list,
+        help_text="IMAP flags from server"
+    )
+
+    # Timestamps
+    email_date = models.DateTimeField(
+        db_index=True,
+        help_text="Date from email headers"
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    # Archival - deleted emails are archived, not hard deleted
+    is_permanently_deleted = models.BooleanField(
+        default=False,
+        db_index=True,
+        help_text="Soft delete flag - archived emails are hidden but not removed"
+    )
+    deleted_at = models.DateTimeField(
+        null=True,
+        blank=True,
+        help_text="When the email was permanently deleted/archived"
+    )
+
+    class Meta:
+        app_label = 'staff_email'
+        ordering = ['-email_date']
+        indexes = [
+            models.Index(fields=['owner', 'folder', '-email_date']),
+            models.Index(fields=['owner', 'is_read']),
+            models.Index(fields=['owner', 'is_starred']),
+            models.Index(fields=['thread_id']),
+            models.Index(fields=['message_id']),
+            models.Index(fields=['from_address']),
+            models.Index(fields=['owner', 'is_permanently_deleted']),
+        ]
+
+    def __str__(self):
+        return f"{self.subject[:50]} ({self.from_address})"
+
+    def save(self, *args, **kwargs):
+        # Generate snippet if not set
+        if not self.snippet and self.body_text:
+            self.generate_snippet()
+        # Generate thread_id if not set
+        if not self.thread_id:
+            self.generate_thread_id()
+        super().save(*args, **kwargs)
+
+    def generate_snippet(self):
+        """Generate preview snippet from body text."""
+        if self.body_text:
+            # Clean up whitespace and truncate
+            text = ' '.join(self.body_text.split())[:200]
+            self.snippet = text[:150] if len(text) > 150 else text
+
+    def generate_thread_id(self):
+        """
+        Generate thread_id for conversation grouping.
+        Uses In-Reply-To/References to find existing thread,
+        or creates new thread_id from message_id.
+        """
+        # Check if this is a reply to an existing thread
+        if self.in_reply_to:
+            existing = StaffEmail.objects.filter(
+                owner=self.owner,
+                message_id=self.in_reply_to
+            ).first()
+            if existing and existing.thread_id:
+                self.thread_id = existing.thread_id
+                return
+
+        # Check references for thread
+        if self.references:
+            ref_ids = self.references.split()
+            for ref_id in ref_ids:
+                existing = StaffEmail.objects.filter(
+                    owner=self.owner,
+                    message_id=ref_id.strip()
+                ).first()
+                if existing and existing.thread_id:
+                    self.thread_id = existing.thread_id
+                    return
+
+        # Create new thread_id from message_id
+        if self.message_id:
+            # Use hash of message_id as thread_id
+            self.thread_id = hashlib.sha256(
+                self.message_id.encode()
+            ).hexdigest()[:32]
+
+    def get_thread_emails(self):
+        """Get all emails in this thread, ordered by date."""
+        if not self.thread_id:
+            return StaffEmail.objects.filter(pk=self.pk)
+        return StaffEmail.objects.filter(
+            owner=self.owner,
+            thread_id=self.thread_id
+        ).order_by('email_date')
+
+    @property
+    def thread_count(self):
+        """Number of emails in this thread."""
+        if not self.thread_id:
+            return 1
+        return StaffEmail.objects.filter(
+            owner=self.owner,
+            thread_id=self.thread_id
+        ).count()
+
+    def mark_as_read(self):
+        """Mark email as read."""
+        if not self.is_read:
+            self.is_read = True
+            self.save(update_fields=['is_read', 'updated_at'])
+
+    def mark_as_unread(self):
+        """Mark email as unread."""
+        if self.is_read:
+            self.is_read = False
+            self.save(update_fields=['is_read', 'updated_at'])
+
+    def toggle_star(self):
+        """Toggle starred status."""
+        self.is_starred = not self.is_starred
+        self.save(update_fields=['is_starred', 'updated_at'])
+
+    def move_to_folder(self, folder):
+        """Move email to a different folder."""
+        if self.folder != folder:
+            self.folder = folder
+            self.save(update_fields=['folder', 'updated_at'])
+
+    def move_to_trash(self):
+        """Move email to trash folder."""
+        trash_folder = StaffEmailFolder.get_or_create_folder(
+            self.owner,
+            StaffEmailFolder.FolderType.TRASH
+        )
+        self.move_to_folder(trash_folder)
+
+    def archive(self):
+        """Move email to archive folder."""
+        archive_folder = StaffEmailFolder.get_or_create_folder(
+            self.owner,
+            StaffEmailFolder.FolderType.ARCHIVE
+        )
+        self.move_to_folder(archive_folder)
+
+    def permanently_delete(self):
+        """
+        Archive the email (soft delete).
+        The email is hidden from views but kept in the database.
+        """
+        self.is_permanently_deleted = True
+        self.deleted_at = timezone.now()
+        self.save(update_fields=['is_permanently_deleted', 'deleted_at', 'updated_at'])
+
+    def restore(self):
+        """
+        Restore a permanently deleted/archived email back to inbox.
+        """
+        if self.is_permanently_deleted:
+            self.is_permanently_deleted = False
+            self.deleted_at = None
+            inbox_folder = StaffEmailFolder.get_or_create_folder(
+                self.owner,
+                StaffEmailFolder.FolderType.INBOX
+            )
+            self.folder = inbox_folder
+            self.save(update_fields=[
+                'is_permanently_deleted', 'deleted_at', 'folder', 'updated_at'
+            ])
+
+
+class StaffEmailAttachment(models.Model):
+    """
+    Email attachments stored in DigitalOcean Spaces.
+    """
+    email = models.ForeignKey(
+        StaffEmail,
+        on_delete=models.CASCADE,
+        related_name='attachments'
+    )
+    filename = models.CharField(max_length=255)
+    content_type = models.CharField(max_length=100)
+    size = models.IntegerField(help_text="Size in bytes")
+    storage_path = models.CharField(
+        max_length=500,
+        blank=True,
+        default='',
+        help_text="Path in DigitalOcean Spaces"
+    )
+    content_id = models.CharField(
+        max_length=255,
+        blank=True,
+        default='',
+        help_text="Content-ID for inline attachments"
+    )
+    is_inline = models.BooleanField(
+        default=False,
+        help_text="Whether this is an inline attachment (embedded image)"
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        app_label = 'staff_email'
+
+    def __str__(self):
+        return f"{self.filename} ({self.size} bytes)"
+
+    @property
+    def size_display(self):
+        """Human-readable size."""
+        if self.size < 1024:
+            return f"{self.size} B"
+        elif self.size < 1024 * 1024:
+            return f"{self.size / 1024:.1f} KB"
+        else:
+            return f"{self.size / (1024 * 1024):.1f} MB"
+
+
+class StaffEmailLabel(models.Model):
+    """
+    Custom labels/tags for organizing emails.
+    """
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name='staff_email_labels'
+    )
+    name = models.CharField(max_length=100)
+    color = models.CharField(max_length=7, default='#6b7280')
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        app_label = 'staff_email'
+        unique_together = [['user', 'name']]
+        ordering = ['name']
+
+    def __str__(self):
+        return f"{self.name} ({self.user.email})"
+
+
+class StaffEmailLabelAssignment(models.Model):
+    """
+    Many-to-many relationship between emails and labels.
+    """
+    email = models.ForeignKey(
+        StaffEmail,
+        on_delete=models.CASCADE,
+        related_name='label_assignments'
+    )
+    label = models.ForeignKey(
+        StaffEmailLabel,
+        on_delete=models.CASCADE,
+        related_name='email_assignments'
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        app_label = 'staff_email'
+        unique_together = [['email', 'label']]
+
+    def __str__(self):
+        return f"{self.email.subject[:30]} - {self.label.name}"
+
+
+class EmailContactSuggestion(models.Model):
+    """
+    Cache of email contacts for autocomplete suggestions.
+    Built from sent emails and platform user directory.
+    """
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name='staff_email_contacts'
+    )
+    email = models.EmailField()
+    name = models.CharField(max_length=255, blank=True, default='')
+    is_platform_user = models.BooleanField(default=False)
+    platform_user = models.ForeignKey(
+        User,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name='staff_email_contact_references'
+    )
+    use_count = models.IntegerField(default=0)
+    last_used_at = models.DateTimeField(default=timezone.now)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        app_label = 'staff_email'
+        unique_together = [['user', 'email']]
+        ordering = ['-use_count', 'name']
+
+    def __str__(self):
+        return f"{self.name} <{self.email}>"
+
+    def increment_use(self):
+        """Increment use count and update last used time."""
+        self.use_count += 1
+        self.last_used_at = timezone.now()
+        self.save(update_fields=['use_count', 'last_used_at'])
+
+    @classmethod
+    def add_or_update_contact(cls, user, email, name=''):
+        """Add a contact or update existing one."""
+        contact, created = cls.objects.get_or_create(
+            user=user,
+            email=email.lower(),
+            defaults={'name': name}
+        )
+        if not created:
+            contact.increment_use()
+            if name and not contact.name:
+                contact.name = name
+                contact.save(update_fields=['name'])
+        return contact
diff --git a/smoothschedule/smoothschedule/communication/staff_email/routing.py b/smoothschedule/smoothschedule/communication/staff_email/routing.py
new file mode 100644
index 00000000..fe1a5a9e
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/routing.py
@@ -0,0 +1,10 @@
+"""
+WebSocket URL routing for Staff Email.
+"""
+from django.urls import re_path
+
+from . import consumers
+
+websocket_urlpatterns = [
+    re_path(r"^/?ws/staff-email/?$", consumers.StaffEmailConsumer.as_asgi()),
+]
diff --git a/smoothschedule/smoothschedule/communication/staff_email/serializers.py b/smoothschedule/smoothschedule/communication/staff_email/serializers.py
new file mode 100644
index 00000000..7e1dc563
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/serializers.py
@@ -0,0 +1,355 @@
+"""
+Serializers for Staff Email API
+
+Provides serialization for email folders, messages, labels, and contacts.
+"""
+from rest_framework import serializers
+
+from .models import (
+    StaffEmail,
+    StaffEmailFolder,
+    StaffEmailAttachment,
+    StaffEmailLabel,
+    StaffEmailLabelAssignment,
+    EmailContactSuggestion,
+)
+
+
+class StaffEmailFolderSerializer(serializers.ModelSerializer):
+    """Serializer for email folders."""
+    unread_count = serializers.IntegerField(read_only=True)
+    total_count = serializers.IntegerField(read_only=True)
+
+    class Meta:
+        model = StaffEmailFolder
+        fields = [
+            'id',
+            'name',
+            'folder_type',
+            'parent',
+            'color',
+            'icon',
+            'display_order',
+            'unread_count',
+            'total_count',
+            'created_at',
+        ]
+        read_only_fields = ['id', 'unread_count', 'total_count', 'created_at']
+
+    def create(self, validated_data):
+        validated_data['user'] = self.context['request'].user
+        validated_data['folder_type'] = StaffEmailFolder.FolderType.CUSTOM
+        return super().create(validated_data)
+
+
+class StaffEmailAttachmentSerializer(serializers.ModelSerializer):
+    """Serializer for email attachments."""
+    size_display = serializers.CharField(read_only=True)
+    download_url = serializers.SerializerMethodField()
+
+    class Meta:
+        model = StaffEmailAttachment
+        fields = [
+            'id',
+            'filename',
+            'content_type',
+            'size',
+            'size_display',
+            'is_inline',
+            'content_id',
+            'download_url',
+            'created_at',
+        ]
+        read_only_fields = ['id', 'size_display', 'download_url', 'created_at']
+
+    def get_download_url(self, obj):
+        """Generate download URL for attachment."""
+        request = self.context.get('request')
+        if request:
+            return request.build_absolute_uri(
+                f'/api/staff-email/attachments/{obj.id}/download/'
+            )
+        return None
+
+
+class StaffEmailLabelSerializer(serializers.ModelSerializer):
+    """Serializer for email labels."""
+    email_count = serializers.SerializerMethodField()
+
+    class Meta:
+        model = StaffEmailLabel
+        fields = ['id', 'name', 'color', 'email_count', 'created_at']
+        read_only_fields = ['id', 'email_count', 'created_at']
+
+    def get_email_count(self, obj):
+        return obj.email_assignments.count()
+
+    def create(self, validated_data):
+        validated_data['user'] = self.context['request'].user
+        return super().create(validated_data)
+
+
+class StaffEmailListSerializer(serializers.ModelSerializer):
+    """
+    Lightweight serializer for email list views.
+    Excludes full body content for performance.
+    """
+    folder_name = serializers.CharField(source='folder.name', read_only=True)
+    folder_type = serializers.CharField(source='folder.folder_type', read_only=True)
+    thread_count = serializers.IntegerField(read_only=True)
+    attachments_count = serializers.SerializerMethodField()
+    labels = serializers.SerializerMethodField()
+
+    class Meta:
+        model = StaffEmail
+        fields = [
+            'id',
+            'folder',
+            'folder_name',
+            'folder_type',
+            'message_id',
+            'thread_id',
+            'from_address',
+            'from_name',
+            'to_addresses',
+            'cc_addresses',
+            'subject',
+            'snippet',
+            'status',
+            'is_read',
+            'is_starred',
+            'is_important',
+            'is_answered',
+            'has_attachments',
+            'attachments_count',
+            'thread_count',
+            'labels',
+            'email_date',
+            'created_at',
+        ]
+        read_only_fields = fields
+
+    def get_attachments_count(self, obj):
+        return obj.attachments.count()
+
+    def get_labels(self, obj):
+        return StaffEmailLabelSerializer(
+            [la.label for la in obj.label_assignments.select_related('label').all()],
+            many=True
+        ).data
+
+
+class StaffEmailDetailSerializer(serializers.ModelSerializer):
+    """
+    Full serializer for email detail view.
+    Includes body content and attachments.
+    """
+    folder_name = serializers.CharField(source='folder.name', read_only=True)
+    folder_type = serializers.CharField(source='folder.folder_type', read_only=True)
+    email_address_display = serializers.CharField(
+        source='email_address.email_address',
+        read_only=True
+    )
+    attachments = StaffEmailAttachmentSerializer(many=True, read_only=True)
+    labels = serializers.SerializerMethodField()
+    thread_emails = serializers.SerializerMethodField()
+    thread_count = serializers.IntegerField(read_only=True)
+
+    class Meta:
+        model = StaffEmail
+        fields = [
+            'id',
+            'folder',
+            'folder_name',
+            'folder_type',
+            'email_address',
+            'email_address_display',
+            'message_id',
+            'thread_id',
+            'in_reply_to',
+            'references',
+            'from_address',
+            'from_name',
+            'to_addresses',
+            'cc_addresses',
+            'bcc_addresses',
+            'reply_to',
+            'subject',
+            'body_text',
+            'body_html',
+            'snippet',
+            'status',
+            'is_read',
+            'is_starred',
+            'is_important',
+            'is_answered',
+            'has_attachments',
+            'attachments',
+            'labels',
+            'thread_count',
+            'thread_emails',
+            'imap_uid',
+            'email_date',
+            'created_at',
+            'updated_at',
+        ]
+        read_only_fields = fields
+
+    def get_labels(self, obj):
+        return StaffEmailLabelSerializer(
+            [la.label for la in obj.label_assignments.select_related('label').all()],
+            many=True
+        ).data
+
+    def get_thread_emails(self, obj):
+        """Get other emails in the same thread."""
+        if not obj.thread_id:
+            return []
+
+        thread_emails = StaffEmail.objects.filter(
+            owner=obj.owner,
+            thread_id=obj.thread_id
+        ).exclude(id=obj.id).order_by('email_date')
+
+        return StaffEmailListSerializer(
+            thread_emails,
+            many=True,
+            context=self.context
+        ).data
+
+
+class EmailAddressSerializer(serializers.Serializer):
+    """Serializer for email address objects in to/cc/bcc fields."""
+    email = serializers.EmailField()
+    name = serializers.CharField(required=False, allow_blank=True, default='')
+
+
+class StaffEmailCreateSerializer(serializers.ModelSerializer):
+    """
+    Serializer for creating/updating email drafts.
+    """
+    to_addresses = EmailAddressSerializer(many=True, required=False)
+    cc_addresses = EmailAddressSerializer(many=True, required=False)
+    bcc_addresses = EmailAddressSerializer(many=True, required=False)
+
+    class Meta:
+        model = StaffEmail
+        fields = [
+            'id',
+            'email_address',
+            'to_addresses',
+            'cc_addresses',
+            'bcc_addresses',
+            'subject',
+            'body_text',
+            'body_html',
+            'in_reply_to',
+            'references',
+            'thread_id',
+        ]
+        read_only_fields = ['id']
+
+    def validate_email_address(self, value):
+        """Ensure user has access to this email address."""
+        user = self.context['request'].user
+        if value.assigned_user != user:
+            raise serializers.ValidationError(
+                "You don't have access to this email address."
+            )
+        return value
+
+    def create(self, validated_data):
+        user = self.context['request'].user
+
+        # Get drafts folder
+        drafts_folder = StaffEmailFolder.get_or_create_folder(
+            user,
+            StaffEmailFolder.FolderType.DRAFTS
+        )
+
+        # Set default values
+        validated_data['owner'] = user
+        validated_data['folder'] = drafts_folder
+        validated_data['status'] = StaffEmail.Status.DRAFT
+        validated_data['from_address'] = validated_data['email_address'].email_address
+        validated_data['from_name'] = validated_data['email_address'].effective_sender_name
+
+        # Generate draft message_id
+        from django.utils import timezone
+        validated_data['message_id'] = f"draft-{timezone.now().timestamp()}"
+        validated_data['email_date'] = timezone.now()
+
+        # Set defaults for optional fields
+        validated_data.setdefault('to_addresses', [])
+        validated_data.setdefault('cc_addresses', [])
+        validated_data.setdefault('bcc_addresses', [])
+        validated_data.setdefault('subject', '')
+        validated_data.setdefault('body_text', '')
+        validated_data.setdefault('body_html', '')
+
+        return super().create(validated_data)
+
+    def update(self, instance, validated_data):
+        # Don't allow updating sent emails
+        if instance.status == StaffEmail.Status.SENT:
+            raise serializers.ValidationError("Cannot update sent emails.")
+
+        return super().update(instance, validated_data)
+
+
+class EmailContactSuggestionSerializer(serializers.ModelSerializer):
+    """Serializer for email contact suggestions."""
+
+    class Meta:
+        model = EmailContactSuggestion
+        fields = [
+            'id',
+            'email',
+            'name',
+            'is_platform_user',
+            'use_count',
+            'last_used_at',
+        ]
+        read_only_fields = fields
+
+
+class BulkEmailActionSerializer(serializers.Serializer):
+    """Serializer for bulk email operations."""
+    email_ids = serializers.ListField(
+        child=serializers.IntegerField(),
+        min_length=1,
+        max_length=100
+    )
+    action = serializers.ChoiceField(choices=[
+        'read', 'unread', 'star', 'unstar',
+        'archive', 'trash', 'delete', 'restore'
+    ])
+    folder_id = serializers.IntegerField(required=False)  # For move action
+
+
+class ReplyEmailSerializer(serializers.Serializer):
+    """Serializer for replying to an email."""
+    body_html = serializers.CharField()
+    body_text = serializers.CharField(required=False, allow_blank=True, default='')
+    reply_all = serializers.BooleanField(default=False)
+
+
+class ForwardEmailSerializer(serializers.Serializer):
+    """Serializer for forwarding an email."""
+    to_addresses = EmailAddressSerializer(many=True)
+    body_html = serializers.CharField()
+    body_text = serializers.CharField(required=False, allow_blank=True, default='')
+    include_attachments = serializers.BooleanField(default=True)
+
+
+class MoveEmailSerializer(serializers.Serializer):
+    """Serializer for moving an email to a folder."""
+    folder_id = serializers.IntegerField()
+
+    def validate_folder_id(self, value):
+        user = self.context['request'].user
+        try:
+            folder = StaffEmailFolder.objects.get(id=value, user=user)
+        except StaffEmailFolder.DoesNotExist:
+            raise serializers.ValidationError("Folder not found.")
+        return value
diff --git a/smoothschedule/smoothschedule/communication/staff_email/smtp_service.py b/smoothschedule/smoothschedule/communication/staff_email/smtp_service.py
new file mode 100644
index 00000000..ba49562e
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/smtp_service.py
@@ -0,0 +1,439 @@
+"""
+SMTP Service for Staff Email Client
+
+Connects to SMTP server (mail.smoothschedule.com) to send emails
+for staff members with assigned email addresses.
+"""
+import smtplib
+import logging
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.mime.base import MIMEBase
+from email.utils import formataddr, formatdate, make_msgid
+from email import encoders
+from typing import Optional, List, Dict, Any
+
+from django.utils import timezone
+from django.db import transaction
+
+from .models import (
+    StaffEmail,
+    StaffEmailFolder,
+    StaffEmailAttachment,
+    EmailContactSuggestion,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class StaffEmailSmtpService:
+    """
+    Service for sending emails via SMTP for staff inboxes.
+    """
+
+    def __init__(self, email_address):
+        """
+        Initialize with a PlatformEmailAddress instance.
+
+        Args:
+            email_address: PlatformEmailAddress with routing_mode='STAFF'
+        """
+        self.email_address = email_address
+        self.connection = None
+
+    def connect(self) -> bool:
+        """Establish connection to SMTP server."""
+        smtp_settings = self.email_address.get_smtp_settings()
+
+        try:
+            if smtp_settings['use_ssl']:
+                self.connection = smtplib.SMTP_SSL(
+                    smtp_settings['host'],
+                    smtp_settings['port']
+                )
+            else:
+                self.connection = smtplib.SMTP(
+                    smtp_settings['host'],
+                    smtp_settings['port']
+                )
+
+            if smtp_settings['use_tls'] and not smtp_settings['use_ssl']:
+                self.connection.starttls()
+
+            self.connection.login(
+                smtp_settings['username'],
+                smtp_settings['password']
+            )
+
+            logger.info(
+                f"[StaffEmail SMTP: {self.email_address.display_name}] "
+                f"Connected to SMTP server"
+            )
+            return True
+
+        except smtplib.SMTPException as e:
+            logger.error(
+                f"[StaffEmail SMTP: {self.email_address.display_name}] "
+                f"SMTP login failed: {e}"
+            )
+            return False
+        except Exception as e:
+            logger.error(
+                f"[StaffEmail SMTP: {self.email_address.display_name}] "
+                f"Failed to connect: {e}"
+            )
+            return False
+
+    def disconnect(self):
+        """Close SMTP connection."""
+        if self.connection:
+            try:
+                self.connection.quit()
+            except Exception:
+                pass
+            self.connection = None
+
+    def send_email(self, staff_email: StaffEmail) -> bool:
+        """
+        Send an email via SMTP.
+
+        Args:
+            staff_email: StaffEmail instance with status=DRAFT or SENDING
+
+        Returns:
+            True if sent successfully, False otherwise
+        """
+        if staff_email.status not in [StaffEmail.Status.DRAFT, StaffEmail.Status.SENDING]:
+            logger.error(f"Cannot send email with status: {staff_email.status}")
+            return False
+
+        # Mark as sending
+        staff_email.status = StaffEmail.Status.SENDING
+        staff_email.save(update_fields=['status', 'updated_at'])
+
+        try:
+            # Build the email message
+            msg = self._build_mime_message(staff_email)
+
+            if not self.connect():
+                staff_email.status = StaffEmail.Status.FAILED
+                staff_email.save(update_fields=['status', 'updated_at'])
+                return False
+
+            # Get all recipients
+            all_recipients = []
+            for addr in staff_email.to_addresses:
+                all_recipients.append(addr['email'])
+            for addr in staff_email.cc_addresses:
+                all_recipients.append(addr['email'])
+            for addr in staff_email.bcc_addresses:
+                all_recipients.append(addr['email'])
+
+            # Send the email
+            self.connection.sendmail(
+                self.email_address.email_address,
+                all_recipients,
+                msg.as_string()
+            )
+
+            # Update email status and move to Sent folder
+            with transaction.atomic():
+                sent_folder = StaffEmailFolder.get_or_create_folder(
+                    staff_email.owner,
+                    StaffEmailFolder.FolderType.SENT
+                )
+
+                staff_email.status = StaffEmail.Status.SENT
+                staff_email.folder = sent_folder
+                staff_email.email_date = timezone.now()
+                staff_email.save(update_fields=[
+                    'status', 'folder', 'email_date', 'updated_at'
+                ])
+
+                # Add recipients to contact suggestions
+                for addr in staff_email.to_addresses + staff_email.cc_addresses:
+                    EmailContactSuggestion.add_or_update_contact(
+                        user=staff_email.owner,
+                        email=addr['email'],
+                        name=addr.get('name', '')
+                    )
+
+            logger.info(f"Sent email #{staff_email.id}: {staff_email.subject[:50]}")
+            return True
+
+        except smtplib.SMTPException as e:
+            logger.error(f"SMTP error sending email: {e}")
+            staff_email.status = StaffEmail.Status.FAILED
+            staff_email.save(update_fields=['status', 'updated_at'])
+            return False
+        except Exception as e:
+            logger.error(f"Error sending email: {e}")
+            staff_email.status = StaffEmail.Status.FAILED
+            staff_email.save(update_fields=['status', 'updated_at'])
+            return False
+        finally:
+            self.disconnect()
+
+    def _build_mime_message(self, staff_email: StaffEmail) -> MIMEMultipart:
+        """Build a MIME message from a StaffEmail instance."""
+        msg = MIMEMultipart('mixed')
+
+        # Set headers
+        sender_name = self.email_address.effective_sender_name
+        msg['From'] = formataddr((sender_name, self.email_address.email_address))
+        msg['Date'] = formatdate(localtime=True)
+        msg['Subject'] = staff_email.subject
+
+        # Generate Message-ID if not set
+        if not staff_email.message_id or staff_email.message_id.startswith('draft-'):
+            staff_email.message_id = make_msgid(
+                domain=self.email_address.domain
+            )
+            staff_email.save(update_fields=['message_id'])
+
+        msg['Message-ID'] = staff_email.message_id
+
+        # Set recipients
+        to_str = ', '.join([
+            formataddr((addr.get('name', ''), addr['email']))
+            for addr in staff_email.to_addresses
+        ])
+        msg['To'] = to_str
+
+        if staff_email.cc_addresses:
+            cc_str = ', '.join([
+                formataddr((addr.get('name', ''), addr['email']))
+                for addr in staff_email.cc_addresses
+            ])
+            msg['Cc'] = cc_str
+
+        # Set reply headers for threading
+        if staff_email.in_reply_to:
+            msg['In-Reply-To'] = staff_email.in_reply_to
+
+        if staff_email.references:
+            msg['References'] = staff_email.references
+
+        # Add reply-to if different from sender
+        if staff_email.reply_to and staff_email.reply_to != self.email_address.email_address:
+            msg['Reply-To'] = staff_email.reply_to
+
+        # Create alternative part for text and HTML
+        msg_alt = MIMEMultipart('alternative')
+
+        # Add plain text body
+        if staff_email.body_text:
+            text_part = MIMEText(staff_email.body_text, 'plain', 'utf-8')
+            msg_alt.attach(text_part)
+
+        # Add HTML body
+        if staff_email.body_html:
+            html_part = MIMEText(staff_email.body_html, 'html', 'utf-8')
+            msg_alt.attach(html_part)
+
+        msg.attach(msg_alt)
+
+        # Add attachments
+        for attachment in staff_email.attachments.all():
+            self._add_attachment_to_message(msg, attachment)
+
+        return msg
+
+    def _add_attachment_to_message(
+        self,
+        msg: MIMEMultipart,
+        attachment: StaffEmailAttachment
+    ):
+        """Add an attachment to the MIME message."""
+        try:
+            # TODO: Fetch attachment data from DigitalOcean Spaces
+            attachment_data = b''
+
+            if not attachment_data:
+                logger.warning(f"No data for attachment: {attachment.filename}")
+                return
+
+            part = MIMEBase('application', 'octet-stream')
+            part.set_payload(attachment_data)
+            encoders.encode_base64(part)
+
+            disposition = 'inline' if attachment.is_inline else 'attachment'
+            part.add_header(
+                'Content-Disposition',
+                disposition,
+                filename=attachment.filename
+            )
+
+            if attachment.content_id:
+                part.add_header('Content-ID', f'<{attachment.content_id}>')
+
+            msg.attach(part)
+
+        except Exception as e:
+            logger.error(f"Error adding attachment: {e}")
+
+    def create_reply(
+        self,
+        original_email: StaffEmail,
+        reply_body_html: str,
+        reply_body_text: str = '',
+        reply_all: bool = False
+    ) -> StaffEmail:
+        """Create a reply draft to an email."""
+        user = original_email.owner
+
+        drafts_folder = StaffEmailFolder.get_or_create_folder(
+            user,
+            StaffEmailFolder.FolderType.DRAFTS
+        )
+
+        # Determine recipients
+        to_addresses = [{'email': original_email.from_address, 'name': original_email.from_name}]
+
+        cc_addresses = []
+        if reply_all:
+            for addr in original_email.to_addresses:
+                if addr['email'] != self.email_address.email_address:
+                    to_addresses.append(addr)
+
+            for addr in original_email.cc_addresses:
+                if addr['email'] != self.email_address.email_address:
+                    cc_addresses.append(addr)
+
+        # Build subject
+        subject = original_email.subject
+        if not subject.lower().startswith('re:'):
+            subject = f"Re: {subject}"
+
+        # Build references for threading
+        references = original_email.references
+        if references:
+            references = f"{references} {original_email.message_id}"
+        else:
+            references = original_email.message_id
+
+        # Generate plain text if not provided
+        if not reply_body_text and reply_body_html:
+            from .imap_service import StaffEmailImapService
+            service = StaffEmailImapService(self.email_address)
+            reply_body_text = service._html_to_text(reply_body_html)
+
+        reply = StaffEmail.objects.create(
+            owner=user,
+            folder=drafts_folder,
+            email_address=self.email_address,
+            message_id=f"draft-{timezone.now().timestamp()}",
+            thread_id=original_email.thread_id,
+            in_reply_to=original_email.message_id,
+            references=references,
+            from_address=self.email_address.email_address,
+            from_name=self.email_address.effective_sender_name,
+            to_addresses=to_addresses,
+            cc_addresses=cc_addresses,
+            bcc_addresses=[],
+            subject=subject,
+            body_text=reply_body_text,
+            body_html=reply_body_html,
+            status=StaffEmail.Status.DRAFT,
+            email_date=timezone.now(),
+        )
+
+        return reply
+
+    def create_forward(
+        self,
+        original_email: StaffEmail,
+        to_addresses: List[Dict[str, str]],
+        forward_body_html: str,
+        forward_body_text: str = '',
+        include_attachments: bool = True
+    ) -> StaffEmail:
+        """Create a forward draft of an email."""
+        user = original_email.owner
+
+        drafts_folder = StaffEmailFolder.get_or_create_folder(
+            user,
+            StaffEmailFolder.FolderType.DRAFTS
+        )
+
+        subject = original_email.subject
+        if not subject.lower().startswith('fwd:'):
+            subject = f"Fwd: {subject}"
+
+        if not forward_body_text and forward_body_html:
+            from .imap_service import StaffEmailImapService
+            service = StaffEmailImapService(self.email_address)
+            forward_body_text = service._html_to_text(forward_body_html)
+
+        forward = StaffEmail.objects.create(
+            owner=user,
+            folder=drafts_folder,
+            email_address=self.email_address,
+            message_id=f"draft-{timezone.now().timestamp()}",
+            from_address=self.email_address.email_address,
+            from_name=self.email_address.effective_sender_name,
+            to_addresses=to_addresses,
+            cc_addresses=[],
+            bcc_addresses=[],
+            subject=subject,
+            body_text=forward_body_text,
+            body_html=forward_body_html,
+            status=StaffEmail.Status.DRAFT,
+            email_date=timezone.now(),
+        )
+
+        if include_attachments:
+            for attachment in original_email.attachments.all():
+                StaffEmailAttachment.objects.create(
+                    email=forward,
+                    filename=attachment.filename,
+                    content_type=attachment.content_type,
+                    size=attachment.size,
+                    storage_path=attachment.storage_path,
+                    content_id=attachment.content_id,
+                    is_inline=attachment.is_inline,
+                )
+            forward.has_attachments = original_email.has_attachments
+            forward.save(update_fields=['has_attachments'])
+
+        return forward
+
+    def create_draft(
+        self,
+        user,
+        to_addresses: List[Dict[str, str]],
+        subject: str,
+        body_html: str,
+        body_text: str = '',
+        cc_addresses: List[Dict[str, str]] = None,
+        bcc_addresses: List[Dict[str, str]] = None,
+    ) -> StaffEmail:
+        """Create a new email draft."""
+        drafts_folder = StaffEmailFolder.get_or_create_folder(
+            user,
+            StaffEmailFolder.FolderType.DRAFTS
+        )
+
+        if not body_text and body_html:
+            from .imap_service import StaffEmailImapService
+            service = StaffEmailImapService(self.email_address)
+            body_text = service._html_to_text(body_html)
+
+        draft = StaffEmail.objects.create(
+            owner=user,
+            folder=drafts_folder,
+            email_address=self.email_address,
+            message_id=f"draft-{timezone.now().timestamp()}",
+            from_address=self.email_address.email_address,
+            from_name=self.email_address.effective_sender_name,
+            to_addresses=to_addresses or [],
+            cc_addresses=cc_addresses or [],
+            bcc_addresses=bcc_addresses or [],
+            subject=subject,
+            body_text=body_text,
+            body_html=body_html,
+            status=StaffEmail.Status.DRAFT,
+            email_date=timezone.now(),
+        )
+
+        return draft
diff --git a/smoothschedule/smoothschedule/communication/staff_email/tasks.py b/smoothschedule/smoothschedule/communication/staff_email/tasks.py
new file mode 100644
index 00000000..25098795
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/tasks.py
@@ -0,0 +1,193 @@
+"""
+Celery Tasks for Staff Email
+
+Handles periodic email fetching and async email sending.
+"""
+import logging
+from celery import shared_task
+
+from .models import StaffEmail
+from .consumers import send_sync_status, send_folder_counts_update, send_new_email_notification
+
+logger = logging.getLogger(__name__)
+
+
+@shared_task(name='staff_email.fetch_staff_emails')
+def fetch_staff_emails():
+    """
+    Periodic task to fetch emails for all staff-assigned email addresses.
+
+    Runs on schedule defined in celery beat configuration.
+    """
+    from .imap_service import fetch_all_staff_emails
+
+    logger.info("Starting staff email fetch task")
+    results = fetch_all_staff_emails()
+    logger.info(f"Staff email fetch complete: {results}")
+    return results
+
+
+@shared_task(
+    name='staff_email.send_staff_email',
+    bind=True,
+    max_retries=3,
+    default_retry_delay=60
+)
+def send_staff_email(self, email_id: int):
+    """
+    Async task to send a staff email.
+
+    Args:
+        email_id: ID of the StaffEmail to send
+    """
+    from .smtp_service import StaffEmailSmtpService
+
+    try:
+        email = StaffEmail.objects.select_related('email_address').get(id=email_id)
+
+        if not email.email_address:
+            logger.error(f"Email {email_id} has no associated email address")
+            return False
+
+        service = StaffEmailSmtpService(email.email_address)
+        success = service.send_email(email)
+
+        if not success:
+            raise Exception(f"Failed to send email {email_id}")
+
+        return success
+
+    except StaffEmail.DoesNotExist:
+        logger.error(f"Email {email_id} not found")
+        return False
+    except Exception as e:
+        logger.error(f"Error sending email {email_id}: {e}")
+        raise self.retry(exc=e)
+
+
+@shared_task(name='staff_email.sync_staff_email_folder')
+def sync_staff_email_folder(email_address_id: int, folder_name: str = 'INBOX', full_sync: bool = False):
+    """
+    Sync a specific IMAP folder for a staff email address.
+
+    Args:
+        email_address_id: ID of PlatformEmailAddress
+        folder_name: IMAP folder to sync
+        full_sync: If True, sync all emails; if False, only new ones
+    """
+    from smoothschedule.platform.admin.models import PlatformEmailAddress
+    from .imap_service import StaffEmailImapService
+
+    try:
+        email_address = PlatformEmailAddress.objects.get(id=email_address_id)
+        service = StaffEmailImapService(email_address)
+        synced = service.sync_folder(folder_name, full_sync)
+        logger.info(f"Synced {synced} emails for {email_address.email_address} / {folder_name}")
+        return synced
+    except PlatformEmailAddress.DoesNotExist:
+        logger.error(f"Email address {email_address_id} not found")
+        return 0
+    except Exception as e:
+        logger.error(f"Error syncing folder: {e}")
+        return 0
+
+
+@shared_task(name='staff_email.full_sync_staff_email')
+def full_sync_staff_email(email_address_id: int):
+    """
+    Perform full sync of all folders and all emails for a staff email address.
+
+    This syncs:
+    - All folders from the IMAP server (not just INBOX)
+    - All emails including already-read ones
+    - Properly maps IMAP folders to local folder types
+
+    Args:
+        email_address_id: ID of PlatformEmailAddress
+    """
+    from smoothschedule.platform.admin.models import PlatformEmailAddress
+    from .imap_service import StaffEmailImapService
+    from .models import StaffEmailFolder
+
+    try:
+        email_address = PlatformEmailAddress.objects.get(id=email_address_id)
+        user_id = email_address.assigned_user_id
+
+        # Send sync started notification
+        if user_id:
+            send_sync_status(user_id, email_address_id, 'started')
+
+        service = StaffEmailImapService(email_address)
+        results = service.full_sync()
+        logger.info(f"Full sync complete for {email_address.email_address}: {results}")
+
+        # Send sync completed notification with folder counts
+        if user_id:
+            # Get updated folder counts
+            folder_counts = {}
+            folders = StaffEmailFolder.objects.filter(user_id=user_id)
+            for folder in folders:
+                folder_counts[folder.id] = {
+                    'unread_count': folder.unread_count,
+                    'total_count': folder.total_count,
+                    'folder_type': folder.folder_type,
+                }
+
+            send_sync_status(user_id, email_address_id, 'completed', {
+                'results': results,
+                'new_count': sum(results.values()) if isinstance(results, dict) else 0
+            })
+            send_folder_counts_update(user_id, email_address_id, folder_counts)
+
+        return results
+    except PlatformEmailAddress.DoesNotExist:
+        logger.error(f"Email address {email_address_id} not found")
+        return {}
+    except Exception as e:
+        logger.error(f"Error during full sync: {e}")
+        # Send error notification
+        try:
+            email_address = PlatformEmailAddress.objects.get(id=email_address_id)
+            if email_address.assigned_user_id:
+                send_sync_status(
+                    email_address.assigned_user_id,
+                    email_address_id,
+                    'error',
+                    {'message': str(e)}
+                )
+        except Exception:
+            pass
+        return {}
+
+
+@shared_task(name='staff_email.full_sync_all_staff_emails')
+def full_sync_all_staff_emails():
+    """
+    Perform full sync for all staff-assigned email addresses.
+
+    This is more thorough than fetch_staff_emails as it syncs:
+    - All folders from each IMAP server
+    - All emails including already-read ones
+    """
+    from smoothschedule.platform.admin.models import PlatformEmailAddress
+    from .imap_service import StaffEmailImapService
+
+    results = {}
+
+    staff_addresses = PlatformEmailAddress.objects.filter(
+        is_active=True,
+        routing_mode=PlatformEmailAddress.RoutingMode.STAFF,
+        assigned_user__isnull=False
+    ).select_related('assigned_user')
+
+    for email_addr in staff_addresses:
+        try:
+            service = StaffEmailImapService(email_addr)
+            sync_results = service.full_sync()
+            results[email_addr.email_address] = sync_results
+            logger.info(f"Full sync complete for {email_addr.email_address}: {sync_results}")
+        except Exception as e:
+            logger.error(f"Error during full sync for {email_addr.email_address}: {e}")
+            results[email_addr.email_address] = {'error': str(e)}
+
+    return results
diff --git a/smoothschedule/smoothschedule/communication/staff_email/tests/__init__.py b/smoothschedule/smoothschedule/communication/staff_email/tests/__init__.py
new file mode 100644
index 00000000..6100647c
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/tests/__init__.py
@@ -0,0 +1 @@
+# Staff Email Tests
diff --git a/smoothschedule/smoothschedule/communication/staff_email/tests/test_consumers.py b/smoothschedule/smoothschedule/communication/staff_email/tests/test_consumers.py
new file mode 100644
index 00000000..92928e3a
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/tests/test_consumers.py
@@ -0,0 +1,183 @@
+"""
+Unit tests for Staff Email WebSocket consumers.
+
+Tests consumer initialization and helper functions.
+"""
+from unittest.mock import Mock, patch, MagicMock, AsyncMock
+import asyncio
+
+
+class TestStaffEmailConsumerHelpers:
+    """Tests for helper functions in consumers module."""
+
+    def test_send_staff_email_notification_to_user_group(self):
+        """Test notification is sent to user group."""
+        from smoothschedule.communication.staff_email.consumers import send_staff_email_notification
+
+        with patch('channels.layers.get_channel_layer') as mock_get_layer:
+            mock_channel_layer = Mock()
+            # Make group_send return an awaitable
+            mock_channel_layer.group_send = AsyncMock()
+            mock_get_layer.return_value = mock_channel_layer
+
+            send_staff_email_notification(
+                user_id=1,
+                email_address_id=5,
+                event_type='new_email',
+                data={'subject': 'Test'}
+            )
+
+            # Should send to user group
+            assert mock_channel_layer.group_send.call_count >= 1
+            calls = mock_channel_layer.group_send.call_args_list
+
+            # First call should be to user group
+            assert 'staff_email_user_1' in str(calls[0])
+
+    def test_send_staff_email_notification_to_address_group(self):
+        """Test notification is sent to email address group."""
+        from smoothschedule.communication.staff_email.consumers import send_staff_email_notification
+
+        with patch('channels.layers.get_channel_layer') as mock_get_layer:
+            mock_channel_layer = Mock()
+            # Make group_send return an awaitable
+            mock_channel_layer.group_send = AsyncMock()
+            mock_get_layer.return_value = mock_channel_layer
+
+            send_staff_email_notification(
+                user_id=1,
+                email_address_id=5,
+                event_type='new_email',
+                data={'subject': 'Test'}
+            )
+
+            # Should send to both user and address groups
+            assert mock_channel_layer.group_send.call_count == 2
+            calls = mock_channel_layer.group_send.call_args_list
+
+            # Second call should be to email address group
+            assert 'staff_email_address_5' in str(calls[1])
+
+    def test_send_new_email_notification(self):
+        """Test send_new_email_notification helper."""
+        from smoothschedule.communication.staff_email.consumers import send_new_email_notification
+
+        with patch('smoothschedule.communication.staff_email.consumers.send_staff_email_notification') as mock_send:
+            email_data = {
+                'id': 1,
+                'subject': 'Test Email',
+                'from_address': 'sender@example.com'
+            }
+
+            send_new_email_notification(
+                user_id=1,
+                email_address_id=5,
+                email_data=email_data
+            )
+
+            mock_send.assert_called_once_with(
+                user_id=1,
+                email_address_id=5,
+                event_type='new_email',
+                data=email_data
+            )
+
+    def test_send_folder_counts_update(self):
+        """Test send_folder_counts_update helper."""
+        from smoothschedule.communication.staff_email.consumers import send_folder_counts_update
+
+        with patch('smoothschedule.communication.staff_email.consumers.send_staff_email_notification') as mock_send:
+            folder_counts = {
+                1: {'unread_count': 5, 'total_count': 10},
+                2: {'unread_count': 0, 'total_count': 3}
+            }
+
+            send_folder_counts_update(
+                user_id=1,
+                email_address_id=5,
+                folder_counts=folder_counts
+            )
+
+            mock_send.assert_called_once_with(
+                user_id=1,
+                email_address_id=5,
+                event_type='folder_counts',
+                data=folder_counts
+            )
+
+    def test_send_sync_status_started(self):
+        """Test send_sync_status helper for started status."""
+        from smoothschedule.communication.staff_email.consumers import send_sync_status
+
+        with patch('smoothschedule.communication.staff_email.consumers.send_staff_email_notification') as mock_send:
+            send_sync_status(
+                user_id=1,
+                email_address_id=5,
+                status='started',
+                details=None
+            )
+
+            mock_send.assert_called_once_with(
+                user_id=1,
+                email_address_id=5,
+                event_type='sync_started',
+                data={'email_address_id': 5, 'details': None}
+            )
+
+    def test_send_sync_status_completed(self):
+        """Test send_sync_status helper for completed status."""
+        from smoothschedule.communication.staff_email.consumers import send_sync_status
+
+        with patch('smoothschedule.communication.staff_email.consumers.send_staff_email_notification') as mock_send:
+            send_sync_status(
+                user_id=1,
+                email_address_id=5,
+                status='completed',
+                details={'new_count': 10}
+            )
+
+            mock_send.assert_called_once_with(
+                user_id=1,
+                email_address_id=5,
+                event_type='sync_completed',
+                data={'email_address_id': 5, 'details': {'new_count': 10}}
+            )
+
+    def test_send_sync_status_error(self):
+        """Test send_sync_status helper for error status."""
+        from smoothschedule.communication.staff_email.consumers import send_sync_status
+
+        with patch('smoothschedule.communication.staff_email.consumers.send_staff_email_notification') as mock_send:
+            send_sync_status(
+                user_id=1,
+                email_address_id=5,
+                status='error',
+                details={'message': 'Connection failed'}
+            )
+
+            mock_send.assert_called_once_with(
+                user_id=1,
+                email_address_id=5,
+                event_type='sync_error',
+                data={'email_address_id': 5, 'details': {'message': 'Connection failed'}}
+            )
+
+    def test_notification_without_email_address_id(self):
+        """Test notification works with None email_address_id."""
+        from smoothschedule.communication.staff_email.consumers import send_staff_email_notification
+
+        with patch('channels.layers.get_channel_layer') as mock_get_layer:
+            mock_channel_layer = Mock()
+            # Make group_send return an awaitable
+            mock_channel_layer.group_send = AsyncMock()
+            mock_get_layer.return_value = mock_channel_layer
+
+            send_staff_email_notification(
+                user_id=1,
+                email_address_id=None,
+                event_type='sync_started',
+                data={}
+            )
+
+            # Should only send to user group, not address group
+            assert mock_channel_layer.group_send.call_count == 1
diff --git a/smoothschedule/smoothschedule/communication/staff_email/tests/test_models.py b/smoothschedule/smoothschedule/communication/staff_email/tests/test_models.py
new file mode 100644
index 00000000..ba31b1f6
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/tests/test_models.py
@@ -0,0 +1,411 @@
+"""
+Unit tests for Staff Email models.
+
+Tests model methods, properties, and business logic using mocks
+to avoid slow database operations.
+"""
+import hashlib
+from unittest.mock import Mock, patch, MagicMock
+from datetime import datetime
+
+import pytest
+from django.utils import timezone
+
+
+class TestStaffEmailFolder:
+    """Tests for StaffEmailFolder model."""
+
+    def test_str_representation(self):
+        """Test folder string representation."""
+        folder = Mock()
+        folder.name = 'Inbox'
+        folder.user = Mock(email='user@example.com')
+
+        # Test the expected format
+        result = f"{folder.name} ({folder.user.email})"
+        assert result == "Inbox (user@example.com)"
+
+    def test_unread_count_property(self):
+        """Test unread_count returns correct count."""
+        folder = Mock()
+        folder.emails = Mock()
+        folder.emails.filter.return_value.count.return_value = 5
+
+        # Simulate the property
+        unread_count = folder.emails.filter(is_read=False).count()
+
+        folder.emails.filter.assert_called_with(is_read=False)
+        assert unread_count == 5
+
+    def test_total_count_property(self):
+        """Test total_count returns correct count."""
+        folder = Mock()
+        folder.emails = Mock()
+        folder.emails.count.return_value = 10
+
+        total_count = folder.emails.count()
+        assert total_count == 10
+
+    @patch('smoothschedule.communication.staff_email.models.StaffEmailFolder.objects')
+    def test_create_default_folders(self, mock_objects):
+        """Test default system folders are created correctly."""
+        from smoothschedule.communication.staff_email.models import StaffEmailFolder
+
+        mock_user = Mock()
+        mock_objects.get_or_create.return_value = (Mock(), True)
+
+        folders = StaffEmailFolder.create_default_folders(mock_user)
+
+        # Should create 6 system folders
+        assert mock_objects.get_or_create.call_count == 6
+
+        # Verify folder types were created
+        call_args_list = mock_objects.get_or_create.call_args_list
+        folder_types = [call[1]['folder_type'] for call in call_args_list]
+
+        expected_types = [
+            StaffEmailFolder.FolderType.INBOX,
+            StaffEmailFolder.FolderType.SENT,
+            StaffEmailFolder.FolderType.DRAFTS,
+            StaffEmailFolder.FolderType.ARCHIVE,
+            StaffEmailFolder.FolderType.SPAM,
+            StaffEmailFolder.FolderType.TRASH,
+        ]
+        assert folder_types == expected_types
+
+    @patch('smoothschedule.communication.staff_email.models.StaffEmailFolder.objects')
+    def test_get_or_create_folder_existing(self, mock_objects):
+        """Test get_or_create_folder returns existing folder."""
+        from smoothschedule.communication.staff_email.models import StaffEmailFolder
+
+        mock_user = Mock()
+        mock_folder = Mock()
+        mock_objects.filter.return_value.first.return_value = mock_folder
+
+        result = StaffEmailFolder.get_or_create_folder(
+            mock_user,
+            StaffEmailFolder.FolderType.INBOX
+        )
+
+        assert result == mock_folder
+
+    @patch('smoothschedule.communication.staff_email.models.StaffEmailFolder.objects')
+    @patch('smoothschedule.communication.staff_email.models.StaffEmailFolder.create_default_folders')
+    def test_get_or_create_folder_creates_when_missing(
+        self, mock_create_defaults, mock_objects
+    ):
+        """Test get_or_create_folder creates folders when missing."""
+        from smoothschedule.communication.staff_email.models import StaffEmailFolder
+
+        mock_user = Mock()
+        mock_folder = Mock()
+
+        # First call returns None, second returns the created folder
+        mock_objects.filter.return_value.first.side_effect = [None, mock_folder]
+
+        result = StaffEmailFolder.get_or_create_folder(
+            mock_user,
+            StaffEmailFolder.FolderType.INBOX
+        )
+
+        mock_create_defaults.assert_called_once_with(mock_user)
+        assert result == mock_folder
+
+
+class TestStaffEmail:
+    """Tests for StaffEmail model."""
+
+    def test_str_representation(self):
+        """Test email string representation."""
+        email = Mock()
+        email.subject = "This is a test subject that is longer than fifty characters"
+        email.from_address = "sender@example.com"
+
+        result = f"{email.subject[:50]} ({email.from_address})"
+        assert "This is a test subject that is longer than fifty " in result
+        assert "(sender@example.com)" in result
+
+    def test_generate_snippet_from_body_text(self):
+        """Test snippet generation from body text."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'body_text', "This is the body text of the email. " * 10)
+        object.__setattr__(email, 'snippet', "")
+
+        email.generate_snippet()
+
+        assert len(email.snippet) <= 150
+        assert email.snippet.startswith("This is the body text")
+
+    def test_generate_snippet_cleans_whitespace(self):
+        """Test snippet generation cleans up whitespace."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'body_text', "Multiple   spaces\n\nand\n\nnewlines")
+        object.__setattr__(email, 'snippet', "")
+
+        email.generate_snippet()
+
+        assert "  " not in email.snippet  # No double spaces
+        assert "\n" not in email.snippet  # No newlines
+
+    def test_generate_snippet_empty_body(self):
+        """Test snippet generation with empty body."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'body_text', "")
+        object.__setattr__(email, 'snippet', "")
+
+        email.generate_snippet()
+
+        assert email.snippet == ""
+
+
+    def test_thread_count_no_thread(self):
+        """Test thread_count returns 1 when no thread."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'thread_id', "")
+
+        count = email.thread_count
+
+        assert count == 1
+
+    def test_mark_as_read(self):
+        """Test mark_as_read updates status."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'is_read', False)
+
+        with patch.object(email, 'save'):
+            email.mark_as_read()
+
+        assert email.is_read is True
+
+    def test_mark_as_read_already_read(self):
+        """Test mark_as_read does nothing if already read."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'is_read', True)
+
+        with patch.object(email, 'save') as mock_save:
+            email.mark_as_read()
+            mock_save.assert_not_called()
+
+    def test_mark_as_unread(self):
+        """Test mark_as_unread updates status."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'is_read', True)
+
+        with patch.object(email, 'save'):
+            email.mark_as_unread()
+
+        assert email.is_read is False
+
+    def test_toggle_star(self):
+        """Test toggle_star flips starred status."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'is_starred', False)
+
+        with patch.object(email, 'save'):
+            email.toggle_star()
+
+        assert email.is_starred is True
+
+        with patch.object(email, 'save'):
+            email.toggle_star()
+
+        assert email.is_starred is False
+
+    @patch('smoothschedule.communication.staff_email.models.timezone')
+    def test_permanently_delete(self, mock_timezone):
+        """Test permanently_delete sets soft delete flag."""
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        email = StaffEmail.__new__(StaffEmail)
+        object.__setattr__(email, 'is_permanently_deleted', False)
+        object.__setattr__(email, 'deleted_at', None)
+
+        now = Mock()
+        mock_timezone.now.return_value = now
+
+        with patch.object(email, 'save'):
+            email.permanently_delete()
+
+        assert email.is_permanently_deleted is True
+        assert email.deleted_at == now
+
+
+class TestStaffEmailAttachment:
+    """Tests for StaffEmailAttachment model."""
+
+    def test_str_representation(self):
+        """Test attachment string representation."""
+        attachment = Mock()
+        attachment.filename = "document.pdf"
+        attachment.size = 1024
+
+        result = f"{attachment.filename} ({attachment.size} bytes)"
+        assert result == "document.pdf (1024 bytes)"
+
+    def test_size_display_bytes(self):
+        """Test size_display for small files."""
+        from smoothschedule.communication.staff_email.models import StaffEmailAttachment
+
+        attachment = StaffEmailAttachment.__new__(StaffEmailAttachment)
+        object.__setattr__(attachment, 'size', 500)
+
+        assert attachment.size_display == "500 B"
+
+    def test_size_display_kilobytes(self):
+        """Test size_display for KB-sized files."""
+        from smoothschedule.communication.staff_email.models import StaffEmailAttachment
+
+        attachment = StaffEmailAttachment.__new__(StaffEmailAttachment)
+        object.__setattr__(attachment, 'size', 2048)  # 2 KB
+
+        assert attachment.size_display == "2.0 KB"
+
+    def test_size_display_megabytes(self):
+        """Test size_display for MB-sized files."""
+        from smoothschedule.communication.staff_email.models import StaffEmailAttachment
+
+        attachment = StaffEmailAttachment.__new__(StaffEmailAttachment)
+        object.__setattr__(attachment, 'size', 1048576 * 5)  # 5 MB
+
+        assert attachment.size_display == "5.0 MB"
+
+
+class TestStaffEmailLabel:
+    """Tests for StaffEmailLabel model."""
+
+    def test_str_representation(self):
+        """Test label string representation."""
+        label = Mock()
+        label.name = "Important"
+        label.user = Mock(email='user@example.com')
+
+        result = f"{label.name} ({label.user.email})"
+        assert result == "Important (user@example.com)"
+
+
+class TestEmailContactSuggestion:
+    """Tests for EmailContactSuggestion model."""
+
+    def test_str_representation(self):
+        """Test contact string representation."""
+        contact = Mock()
+        contact.name = "John Doe"
+        contact.email = "john@example.com"
+
+        result = f"{contact.name} <{contact.email}>"
+        assert result == "John Doe <john@example.com>"
+
+    @patch('smoothschedule.communication.staff_email.models.timezone')
+    def test_increment_use(self, mock_timezone):
+        """Test increment_use updates count and timestamp."""
+        from smoothschedule.communication.staff_email.models import EmailContactSuggestion
+
+        contact = EmailContactSuggestion.__new__(EmailContactSuggestion)
+        object.__setattr__(contact, 'use_count', 5)
+        object.__setattr__(contact, 'last_used_at', None)
+
+        now = Mock()
+        mock_timezone.now.return_value = now
+
+        with patch.object(contact, 'save'):
+            contact.increment_use()
+
+        assert contact.use_count == 6
+        assert contact.last_used_at == now
+
+    @patch('smoothschedule.communication.staff_email.models.EmailContactSuggestion.objects')
+    def test_add_or_update_contact_new(self, mock_objects):
+        """Test add_or_update_contact creates new contact."""
+        from smoothschedule.communication.staff_email.models import EmailContactSuggestion
+
+        mock_user = Mock()
+        mock_contact = Mock()
+        mock_objects.get_or_create.return_value = (mock_contact, True)
+
+        result = EmailContactSuggestion.add_or_update_contact(
+            mock_user,
+            "test@example.com",
+            "Test User"
+        )
+
+        mock_objects.get_or_create.assert_called_once_with(
+            user=mock_user,
+            email="test@example.com",
+            defaults={'name': "Test User"}
+        )
+        assert result == mock_contact
+
+    @patch('smoothschedule.communication.staff_email.models.EmailContactSuggestion.objects')
+    def test_add_or_update_contact_existing(self, mock_objects):
+        """Test add_or_update_contact updates existing contact."""
+        from smoothschedule.communication.staff_email.models import EmailContactSuggestion
+
+        mock_user = Mock()
+        mock_contact = Mock()
+        mock_contact.name = ""
+        mock_objects.get_or_create.return_value = (mock_contact, False)
+
+        result = EmailContactSuggestion.add_or_update_contact(
+            mock_user,
+            "test@example.com",
+            "Test User"
+        )
+
+        mock_contact.increment_use.assert_called_once()
+        # Should update name if it was empty
+        assert mock_contact.name == "Test User"
+
+    @patch('smoothschedule.communication.staff_email.models.EmailContactSuggestion.objects')
+    def test_add_or_update_contact_lowercase_email(self, mock_objects):
+        """Test email is lowercased when adding contact."""
+        from smoothschedule.communication.staff_email.models import EmailContactSuggestion
+
+        mock_user = Mock()
+        mock_objects.get_or_create.return_value = (Mock(), True)
+
+        EmailContactSuggestion.add_or_update_contact(
+            mock_user,
+            "TEST@EXAMPLE.COM",
+            "Test"
+        )
+
+        mock_objects.get_or_create.assert_called_once_with(
+            user=mock_user,
+            email="test@example.com",
+            defaults={'name': "Test"}
+        )
+
+
+class TestActiveStaffEmailManager:
+    """Tests for ActiveStaffEmailManager."""
+
+    @patch('smoothschedule.communication.staff_email.models.models.Manager.get_queryset')
+    def test_excludes_deleted_emails(self, mock_get_queryset):
+        """Test manager excludes permanently deleted emails."""
+        from smoothschedule.communication.staff_email.models import ActiveStaffEmailManager
+
+        mock_qs = Mock()
+        mock_get_queryset.return_value = mock_qs
+
+        manager = ActiveStaffEmailManager()
+        manager.model = Mock()
+
+        result = manager.get_queryset()
+
+        mock_qs.filter.assert_called_with(is_permanently_deleted=False)
diff --git a/smoothschedule/smoothschedule/communication/staff_email/tests/test_serializers.py b/smoothschedule/smoothschedule/communication/staff_email/tests/test_serializers.py
new file mode 100644
index 00000000..35d5d234
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/tests/test_serializers.py
@@ -0,0 +1,500 @@
+"""
+Unit tests for Staff Email serializers.
+
+Tests serializer validation and data transformation.
+"""
+from unittest.mock import Mock, patch, MagicMock
+from datetime import datetime
+
+import pytest
+from rest_framework.exceptions import ValidationError
+
+
+class TestStaffEmailFolderSerializer:
+    """Tests for StaffEmailFolderSerializer."""
+
+    def test_serializer_fields(self):
+        """Test serializer includes expected fields."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailFolderSerializer
+
+        serializer = StaffEmailFolderSerializer()
+        expected_fields = [
+            'id', 'name', 'folder_type', 'parent', 'color',
+            'icon', 'display_order', 'unread_count', 'total_count', 'created_at'
+        ]
+
+        for field in expected_fields:
+            assert field in serializer.fields
+
+    def test_read_only_fields(self):
+        """Test read-only fields are correctly set."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailFolderSerializer
+
+        serializer = StaffEmailFolderSerializer()
+
+        assert serializer.fields['id'].read_only is True
+        assert serializer.fields['unread_count'].read_only is True
+        assert serializer.fields['total_count'].read_only is True
+        assert serializer.fields['created_at'].read_only is True
+
+
+
+class TestStaffEmailAttachmentSerializer:
+    """Tests for StaffEmailAttachmentSerializer."""
+
+    def test_serializer_fields(self):
+        """Test serializer includes expected fields."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailAttachmentSerializer
+
+        serializer = StaffEmailAttachmentSerializer()
+        expected_fields = [
+            'id', 'filename', 'content_type', 'size', 'size_display',
+            'is_inline', 'content_id', 'download_url', 'created_at'
+        ]
+
+        for field in expected_fields:
+            assert field in serializer.fields
+
+    def test_get_download_url_with_request(self):
+        """Test download_url is generated from request."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailAttachmentSerializer
+
+        mock_request = Mock()
+        mock_request.build_absolute_uri.return_value = 'http://example.com/api/staff-email/attachments/1/download/'
+
+        mock_attachment = Mock()
+        mock_attachment.id = 1
+
+        serializer = StaffEmailAttachmentSerializer(context={'request': mock_request})
+        url = serializer.get_download_url(mock_attachment)
+
+        mock_request.build_absolute_uri.assert_called_once_with(
+            '/api/staff-email/attachments/1/download/'
+        )
+        assert url == 'http://example.com/api/staff-email/attachments/1/download/'
+
+    def test_get_download_url_without_request(self):
+        """Test download_url returns None without request."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailAttachmentSerializer
+
+        mock_attachment = Mock()
+        mock_attachment.id = 1
+
+        serializer = StaffEmailAttachmentSerializer()
+        url = serializer.get_download_url(mock_attachment)
+
+        assert url is None
+
+
+class TestStaffEmailLabelSerializer:
+    """Tests for StaffEmailLabelSerializer."""
+
+    def test_serializer_fields(self):
+        """Test serializer includes expected fields."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailLabelSerializer
+
+        serializer = StaffEmailLabelSerializer()
+        expected_fields = ['id', 'name', 'color', 'email_count', 'created_at']
+
+        for field in expected_fields:
+            assert field in serializer.fields
+
+    def test_get_email_count(self):
+        """Test email_count returns assignment count."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailLabelSerializer
+
+        mock_label = Mock()
+        mock_label.email_assignments = Mock()
+        mock_label.email_assignments.count.return_value = 5
+
+        serializer = StaffEmailLabelSerializer()
+        count = serializer.get_email_count(mock_label)
+
+        assert count == 5
+
+
+
+class TestStaffEmailListSerializer:
+    """Tests for StaffEmailListSerializer."""
+
+    def test_serializer_fields(self):
+        """Test serializer includes expected fields."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailListSerializer
+
+        serializer = StaffEmailListSerializer()
+        expected_fields = [
+            'id', 'folder', 'folder_name', 'folder_type', 'message_id',
+            'thread_id', 'from_address', 'from_name', 'to_addresses',
+            'cc_addresses', 'subject', 'snippet', 'status', 'is_read',
+            'is_starred', 'is_important', 'is_answered', 'has_attachments',
+            'attachments_count', 'thread_count', 'labels', 'email_date', 'created_at'
+        ]
+
+        for field in expected_fields:
+            assert field in serializer.fields
+
+    def test_all_fields_read_only(self):
+        """Test all fields are read-only for list serializer."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailListSerializer
+
+        serializer = StaffEmailListSerializer()
+
+        # All fields should be read-only
+        for field_name, field in serializer.fields.items():
+            assert field.read_only is True, f"{field_name} should be read-only"
+
+    def test_get_attachments_count(self):
+        """Test attachments_count returns correct count."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailListSerializer
+
+        mock_email = Mock()
+        mock_email.attachments = Mock()
+        mock_email.attachments.count.return_value = 3
+
+        serializer = StaffEmailListSerializer()
+        count = serializer.get_attachments_count(mock_email)
+
+        assert count == 3
+
+    @patch('smoothschedule.communication.staff_email.serializers.StaffEmailLabelSerializer')
+    def test_get_labels(self, mock_label_serializer):
+        """Test labels returns serialized label data."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailListSerializer
+
+        mock_label = Mock()
+        mock_assignment = Mock()
+        mock_assignment.label = mock_label
+
+        mock_email = Mock()
+        mock_email.label_assignments = Mock()
+        mock_email.label_assignments.select_related.return_value.all.return_value = [mock_assignment]
+
+        mock_label_serializer.return_value.data = [{'name': 'Test Label'}]
+
+        serializer = StaffEmailListSerializer()
+        result = serializer.get_labels(mock_email)
+
+        mock_label_serializer.assert_called_once()
+
+
+class TestStaffEmailDetailSerializer:
+    """Tests for StaffEmailDetailSerializer."""
+
+    def test_serializer_has_body_fields(self):
+        """Test detail serializer includes body content."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailDetailSerializer
+
+        serializer = StaffEmailDetailSerializer()
+
+        assert 'body_text' in serializer.fields
+        assert 'body_html' in serializer.fields
+        assert 'attachments' in serializer.fields
+
+    @patch('smoothschedule.communication.staff_email.serializers.StaffEmail.objects')
+    @patch('smoothschedule.communication.staff_email.serializers.StaffEmailListSerializer')
+    def test_get_thread_emails(self, mock_list_serializer, mock_objects):
+        """Test thread_emails returns other emails in thread."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailDetailSerializer
+
+        mock_email = Mock()
+        mock_email.id = 1
+        mock_email.thread_id = "thread-123"
+        mock_email.owner = Mock()
+
+        mock_thread_emails = [Mock(), Mock()]
+        mock_queryset = Mock()
+        mock_queryset.exclude.return_value.order_by.return_value = mock_thread_emails
+        mock_objects.filter.return_value = mock_queryset
+
+        mock_list_serializer.return_value.data = [{'id': 2}, {'id': 3}]
+
+        serializer = StaffEmailDetailSerializer()
+        result = serializer.get_thread_emails(mock_email)
+
+        mock_objects.filter.assert_called_once_with(
+            owner=mock_email.owner,
+            thread_id="thread-123"
+        )
+        mock_queryset.exclude.assert_called_once_with(id=1)
+
+    def test_get_thread_emails_no_thread(self):
+        """Test thread_emails returns empty list when no thread_id."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailDetailSerializer
+
+        mock_email = Mock()
+        mock_email.thread_id = ""
+
+        serializer = StaffEmailDetailSerializer()
+        result = serializer.get_thread_emails(mock_email)
+
+        assert result == []
+
+
+class TestEmailAddressSerializer:
+    """Tests for EmailAddressSerializer."""
+
+    def test_validates_email_format(self):
+        """Test email field validates format."""
+        from smoothschedule.communication.staff_email.serializers import EmailAddressSerializer
+
+        serializer = EmailAddressSerializer(data={'email': 'invalid-email'})
+        assert serializer.is_valid() is False
+        assert 'email' in serializer.errors
+
+    def test_valid_email_address(self):
+        """Test valid email address data."""
+        from smoothschedule.communication.staff_email.serializers import EmailAddressSerializer
+
+        data = {'email': 'test@example.com', 'name': 'Test User'}
+        serializer = EmailAddressSerializer(data=data)
+
+        assert serializer.is_valid() is True
+        assert serializer.validated_data['email'] == 'test@example.com'
+        assert serializer.validated_data['name'] == 'Test User'
+
+    def test_name_is_optional(self):
+        """Test name field is optional."""
+        from smoothschedule.communication.staff_email.serializers import EmailAddressSerializer
+
+        data = {'email': 'test@example.com'}
+        serializer = EmailAddressSerializer(data=data)
+
+        assert serializer.is_valid() is True
+
+
+class TestStaffEmailCreateSerializer:
+    """Tests for StaffEmailCreateSerializer."""
+
+    def test_validate_email_address_wrong_user(self):
+        """Test validation fails if user doesn't own email address."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailCreateSerializer
+        from rest_framework.exceptions import ValidationError
+
+        mock_request = Mock()
+        mock_request.user = Mock(id=1)
+
+        mock_email_address = Mock()
+        mock_email_address.assigned_user = Mock(id=2)  # Different user
+
+        serializer = StaffEmailCreateSerializer(context={'request': mock_request})
+
+        with pytest.raises(ValidationError) as exc_info:
+            serializer.validate_email_address(mock_email_address)
+
+        assert "don't have access" in str(exc_info.value)
+
+    def test_validate_email_address_correct_user(self):
+        """Test validation passes for correct user."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailCreateSerializer
+
+        mock_request = Mock()
+        mock_user = Mock(id=1)
+        mock_request.user = mock_user
+
+        mock_email_address = Mock()
+        mock_email_address.assigned_user = mock_user  # Same user
+
+        serializer = StaffEmailCreateSerializer(context={'request': mock_request})
+        result = serializer.validate_email_address(mock_email_address)
+
+        assert result == mock_email_address
+
+
+    def test_update_prevents_sent_email_changes(self):
+        """Test update raises error for sent emails."""
+        from smoothschedule.communication.staff_email.serializers import StaffEmailCreateSerializer
+        from smoothschedule.communication.staff_email.models import StaffEmail
+        from rest_framework.exceptions import ValidationError
+
+        mock_instance = Mock()
+        mock_instance.status = StaffEmail.Status.SENT
+
+        serializer = StaffEmailCreateSerializer()
+
+        with pytest.raises(ValidationError) as exc_info:
+            serializer.update(mock_instance, {})
+
+        assert "Cannot update sent emails" in str(exc_info.value)
+
+
+class TestBulkEmailActionSerializer:
+    """Tests for BulkEmailActionSerializer."""
+
+    def test_valid_bulk_action(self):
+        """Test valid bulk action data."""
+        from smoothschedule.communication.staff_email.serializers import BulkEmailActionSerializer
+
+        data = {
+            'email_ids': [1, 2, 3],
+            'action': 'read'
+        }
+        serializer = BulkEmailActionSerializer(data=data)
+
+        assert serializer.is_valid() is True
+
+    def test_invalid_action(self):
+        """Test invalid action is rejected."""
+        from smoothschedule.communication.staff_email.serializers import BulkEmailActionSerializer
+
+        data = {
+            'email_ids': [1],
+            'action': 'invalid_action'
+        }
+        serializer = BulkEmailActionSerializer(data=data)
+
+        assert serializer.is_valid() is False
+        assert 'action' in serializer.errors
+
+    def test_empty_email_ids(self):
+        """Test empty email_ids is rejected."""
+        from smoothschedule.communication.staff_email.serializers import BulkEmailActionSerializer
+
+        data = {
+            'email_ids': [],
+            'action': 'read'
+        }
+        serializer = BulkEmailActionSerializer(data=data)
+
+        assert serializer.is_valid() is False
+        assert 'email_ids' in serializer.errors
+
+    def test_too_many_email_ids(self):
+        """Test too many email_ids is rejected."""
+        from smoothschedule.communication.staff_email.serializers import BulkEmailActionSerializer
+
+        data = {
+            'email_ids': list(range(101)),  # 101 IDs
+            'action': 'read'
+        }
+        serializer = BulkEmailActionSerializer(data=data)
+
+        assert serializer.is_valid() is False
+
+
+class TestReplyEmailSerializer:
+    """Tests for ReplyEmailSerializer."""
+
+    def test_valid_reply(self):
+        """Test valid reply data."""
+        from smoothschedule.communication.staff_email.serializers import ReplyEmailSerializer
+
+        data = {
+            'body_html': '<p>Reply content</p>',
+            'reply_all': False
+        }
+        serializer = ReplyEmailSerializer(data=data)
+
+        assert serializer.is_valid() is True
+
+    def test_body_html_required(self):
+        """Test body_html is required."""
+        from smoothschedule.communication.staff_email.serializers import ReplyEmailSerializer
+
+        data = {'reply_all': False}
+        serializer = ReplyEmailSerializer(data=data)
+
+        assert serializer.is_valid() is False
+        assert 'body_html' in serializer.errors
+
+
+class TestForwardEmailSerializer:
+    """Tests for ForwardEmailSerializer."""
+
+    def test_valid_forward(self):
+        """Test valid forward data."""
+        from smoothschedule.communication.staff_email.serializers import ForwardEmailSerializer
+
+        data = {
+            'to_addresses': [{'email': 'recipient@example.com', 'name': 'Recipient'}],
+            'body_html': '<p>Forward content</p>',
+            'include_attachments': True
+        }
+        serializer = ForwardEmailSerializer(data=data)
+
+        assert serializer.is_valid() is True
+
+    def test_to_addresses_required(self):
+        """Test to_addresses is required."""
+        from smoothschedule.communication.staff_email.serializers import ForwardEmailSerializer
+
+        data = {
+            'body_html': '<p>Forward content</p>'
+        }
+        serializer = ForwardEmailSerializer(data=data)
+
+        assert serializer.is_valid() is False
+        assert 'to_addresses' in serializer.errors
+
+
+class TestMoveEmailSerializer:
+    """Tests for MoveEmailSerializer."""
+
+    def test_valid_move(self):
+        """Test valid move data."""
+        from smoothschedule.communication.staff_email.serializers import MoveEmailSerializer
+
+        data = {'folder_id': 1}
+        serializer = MoveEmailSerializer(data=data)
+
+        # Note: validation requires request context
+        assert 'folder_id' in serializer.fields
+
+    @patch('smoothschedule.communication.staff_email.serializers.StaffEmailFolder.objects')
+    def test_validate_folder_id_not_found(self, mock_objects):
+        """Test folder_id validation fails for non-existent folder."""
+        from smoothschedule.communication.staff_email.serializers import MoveEmailSerializer
+        from smoothschedule.communication.staff_email.models import StaffEmailFolder
+        from rest_framework.exceptions import ValidationError
+
+        mock_request = Mock()
+        mock_request.user = Mock(id=1)
+
+        mock_objects.get.side_effect = StaffEmailFolder.DoesNotExist
+
+        serializer = MoveEmailSerializer(context={'request': mock_request})
+
+        with pytest.raises(ValidationError) as exc_info:
+            serializer.validate_folder_id(999)
+
+        assert "Folder not found" in str(exc_info.value)
+
+    @patch('smoothschedule.communication.staff_email.serializers.StaffEmailFolder.objects')
+    def test_validate_folder_id_found(self, mock_objects):
+        """Test folder_id validation passes for existing folder."""
+        from smoothschedule.communication.staff_email.serializers import MoveEmailSerializer
+
+        mock_request = Mock()
+        mock_request.user = Mock(id=1)
+
+        mock_folder = Mock()
+        mock_objects.get.return_value = mock_folder
+
+        serializer = MoveEmailSerializer(context={'request': mock_request})
+        result = serializer.validate_folder_id(1)
+
+        assert result == 1
+
+
+class TestEmailContactSuggestionSerializer:
+    """Tests for EmailContactSuggestionSerializer."""
+
+    def test_serializer_fields(self):
+        """Test serializer includes expected fields."""
+        from smoothschedule.communication.staff_email.serializers import EmailContactSuggestionSerializer
+
+        serializer = EmailContactSuggestionSerializer()
+        expected_fields = [
+            'id', 'email', 'name', 'is_platform_user', 'use_count', 'last_used_at'
+        ]
+
+        for field in expected_fields:
+            assert field in serializer.fields
+
+    def test_all_fields_read_only(self):
+        """Test all fields are read-only."""
+        from smoothschedule.communication.staff_email.serializers import EmailContactSuggestionSerializer
+
+        serializer = EmailContactSuggestionSerializer()
+
+        for field_name, field in serializer.fields.items():
+            assert field.read_only is True
diff --git a/smoothschedule/smoothschedule/communication/staff_email/tests/test_services.py b/smoothschedule/smoothschedule/communication/staff_email/tests/test_services.py
new file mode 100644
index 00000000..558ff9ff
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/tests/test_services.py
@@ -0,0 +1,167 @@
+"""
+Unit tests for Staff Email services (IMAP and SMTP).
+
+Tests service logic using mocks to avoid actual email server connections.
+"""
+from unittest.mock import Mock, patch, MagicMock
+from datetime import datetime
+import pytest
+
+
+class TestStaffEmailImapServiceParsing:
+    """Tests for IMAP service parsing utilities."""
+
+    def test_html_to_text_strips_tags(self):
+        """Test HTML to text conversion strips tags."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        service = StaffEmailImapService.__new__(StaffEmailImapService)
+
+        html = "<p>Hello <strong>World</strong>!</p>"
+        text = service._html_to_text(html)
+
+        assert '<p>' not in text
+        assert '<strong>' not in text
+        assert 'Hello' in text
+        assert 'World' in text
+
+    def test_html_to_text_handles_empty(self):
+        """Test HTML to text handles empty input."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        service = StaffEmailImapService.__new__(StaffEmailImapService)
+
+        text = service._html_to_text("")
+        assert text == ""
+
+    def test_html_to_text_handles_complex_html(self):
+        """Test HTML to text handles complex HTML structures."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        service = StaffEmailImapService.__new__(StaffEmailImapService)
+
+        html = """
+        <html>
+        <head><title>Test</title></head>
+        <body>
+            <h1>Header</h1>
+            <p>Paragraph with <a href="test">link</a></p>
+            <ul>
+                <li>Item 1</li>
+                <li>Item 2</li>
+            </ul>
+        </body>
+        </html>
+        """
+        text = service._html_to_text(html)
+
+        assert '<html>' not in text
+        assert '<body>' not in text
+        assert 'Header' in text
+        assert 'Paragraph' in text
+        assert 'link' in text
+
+    def test_html_to_text_removes_scripts(self):
+        """Test HTML to text removes script tags."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        service = StaffEmailImapService.__new__(StaffEmailImapService)
+
+        html = '<p>Before</p><script>alert("test");</script><p>After</p>'
+        text = service._html_to_text(html)
+
+        assert 'alert' not in text
+        assert 'Before' in text
+        assert 'After' in text
+
+    def test_html_to_text_removes_styles(self):
+        """Test HTML to text removes style tags."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        service = StaffEmailImapService.__new__(StaffEmailImapService)
+
+        html = '<style>.test { color: red; }</style><p>Content</p>'
+        text = service._html_to_text(html)
+
+        assert 'color' not in text
+        assert 'Content' in text
+
+
+class TestImapConnectionBasics:
+    """Basic tests for IMAP service initialization."""
+
+    def test_service_stores_email_address(self):
+        """Test service stores the email address."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        mock_email_address = Mock()
+        mock_email_address.imap_server = 'imap.example.com'
+        mock_email_address.imap_port = 993
+
+        service = StaffEmailImapService(mock_email_address)
+
+        assert service.email_address == mock_email_address
+
+    def test_service_initializes_disconnected(self):
+        """Test service starts without connection."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        mock_email_address = Mock()
+        mock_email_address.imap_server = 'imap.example.com'
+        mock_email_address.imap_port = 993
+
+        service = StaffEmailImapService(mock_email_address)
+
+        assert service.connection is None
+
+    def test_disconnect_handles_no_connection(self):
+        """Test disconnect handles case when not connected."""
+        from smoothschedule.communication.staff_email.imap_service import StaffEmailImapService
+
+        mock_email_address = Mock()
+        mock_email_address.imap_server = 'imap.example.com'
+        mock_email_address.imap_port = 993
+
+        service = StaffEmailImapService(mock_email_address)
+        # Don't connect, just try to disconnect - should not raise
+        service.disconnect()
+
+
+class TestSmtpConnectionBasics:
+    """Basic tests for SMTP service initialization."""
+
+    def test_service_stores_email_address(self):
+        """Test service stores the email address."""
+        from smoothschedule.communication.staff_email.smtp_service import StaffEmailSmtpService
+
+        mock_email_address = Mock()
+        mock_email_address.smtp_server = 'smtp.example.com'
+        mock_email_address.smtp_port = 465
+
+        service = StaffEmailSmtpService(mock_email_address)
+
+        assert service.email_address == mock_email_address
+
+    def test_service_initializes_disconnected(self):
+        """Test service starts without connection."""
+        from smoothschedule.communication.staff_email.smtp_service import StaffEmailSmtpService
+
+        mock_email_address = Mock()
+        mock_email_address.smtp_server = 'smtp.example.com'
+        mock_email_address.smtp_port = 465
+
+        service = StaffEmailSmtpService(mock_email_address)
+
+        assert service.connection is None
+
+    def test_disconnect_handles_no_connection(self):
+        """Test disconnect handles case when not connected."""
+        from smoothschedule.communication.staff_email.smtp_service import StaffEmailSmtpService
+
+        mock_email_address = Mock()
+        mock_email_address.smtp_server = 'smtp.example.com'
+        mock_email_address.smtp_port = 465
+
+        service = StaffEmailSmtpService(mock_email_address)
+        # Don't connect, just try to disconnect - should not raise
+        service.disconnect()
diff --git a/smoothschedule/smoothschedule/communication/staff_email/tests/test_views.py b/smoothschedule/smoothschedule/communication/staff_email/tests/test_views.py
new file mode 100644
index 00000000..34021e62
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/tests/test_views.py
@@ -0,0 +1,298 @@
+"""
+Unit tests for Staff Email API views.
+
+Tests API endpoints using mocks to avoid database operations.
+"""
+from unittest.mock import Mock, patch, MagicMock
+from datetime import datetime
+
+import pytest
+from rest_framework.test import APIRequestFactory
+from rest_framework import status
+
+
+class TestStaffEmailFolderViewSet:
+    """Tests for StaffEmailFolderViewSet."""
+
+    @patch('smoothschedule.communication.staff_email.views.StaffEmailFolder.objects')
+    def test_get_queryset_filters_by_user(self, mock_objects):
+        """Test queryset is filtered by authenticated user."""
+        from smoothschedule.communication.staff_email.views import StaffEmailFolderViewSet
+
+        mock_user = Mock(id=1)
+        mock_queryset = Mock()
+        mock_objects.filter.return_value = mock_queryset
+
+        viewset = StaffEmailFolderViewSet()
+        viewset.request = Mock()
+        viewset.request.user = mock_user
+
+        result = viewset.get_queryset()
+
+        mock_objects.filter.assert_called_once_with(user=mock_user)
+
+
+class TestStaffEmailViewSet:
+    """Tests for StaffEmailViewSet."""
+
+    @patch('smoothschedule.communication.staff_email.views.StaffEmail.objects')
+    def test_get_queryset_filters_by_owner(self, mock_objects):
+        """Test queryset filters emails by owner."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_user = Mock(id=1)
+        mock_queryset = Mock()
+        mock_queryset.select_related.return_value = mock_queryset
+        mock_objects.filter.return_value = mock_queryset
+
+        viewset = StaffEmailViewSet()
+        viewset.request = Mock()
+        viewset.request.user = mock_user
+        viewset.request.query_params = {}
+        viewset.action = 'list'
+
+        result = viewset.get_queryset()
+
+        mock_objects.filter.assert_called_once_with(owner=mock_user)
+
+    @patch('smoothschedule.communication.staff_email.views.StaffEmail.objects')
+    def test_get_queryset_filters_by_folder(self, mock_objects):
+        """Test queryset filters by folder_id param."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_user = Mock(id=1)
+        mock_queryset = Mock()
+        mock_queryset.select_related.return_value = mock_queryset
+        mock_queryset.filter.return_value = mock_queryset
+        mock_objects.filter.return_value = mock_queryset
+
+        viewset = StaffEmailViewSet()
+        viewset.request = Mock()
+        viewset.request.user = mock_user
+        viewset.request.query_params = {'folder': '5'}
+        viewset.action = 'list'
+
+        result = viewset.get_queryset()
+
+        mock_queryset.filter.assert_any_call(folder_id='5')
+
+    @patch('smoothschedule.communication.staff_email.views.StaffEmail.objects')
+    def test_get_queryset_filters_unread(self, mock_objects):
+        """Test queryset filters unread emails."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_user = Mock(id=1)
+        mock_queryset = Mock()
+        mock_queryset.select_related.return_value = mock_queryset
+        mock_queryset.filter.return_value = mock_queryset
+        mock_objects.filter.return_value = mock_queryset
+
+        viewset = StaffEmailViewSet()
+        viewset.request = Mock()
+        viewset.request.user = mock_user
+        viewset.request.query_params = {'is_unread': 'true'}
+        viewset.action = 'list'
+
+        result = viewset.get_queryset()
+
+        mock_queryset.filter.assert_any_call(is_read=False)
+
+    @patch('smoothschedule.communication.staff_email.views.StaffEmail.objects')
+    def test_get_queryset_filters_starred(self, mock_objects):
+        """Test queryset filters starred emails."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_user = Mock(id=1)
+        mock_queryset = Mock()
+        mock_queryset.select_related.return_value = mock_queryset
+        mock_queryset.filter.return_value = mock_queryset
+        mock_objects.filter.return_value = mock_queryset
+
+        viewset = StaffEmailViewSet()
+        viewset.request = Mock()
+        viewset.request.user = mock_user
+        viewset.request.query_params = {'is_starred': 'true'}
+        viewset.action = 'list'
+
+        result = viewset.get_queryset()
+
+        mock_queryset.filter.assert_any_call(is_starred=True)
+
+    def test_get_serializer_class_list(self):
+        """Test list action uses list serializer."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+        from smoothschedule.communication.staff_email.serializers import StaffEmailListSerializer
+
+        viewset = StaffEmailViewSet()
+        viewset.action = 'list'
+
+        serializer_class = viewset.get_serializer_class()
+
+        assert serializer_class == StaffEmailListSerializer
+
+    def test_get_serializer_class_create(self):
+        """Test create action uses create serializer."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+        from smoothschedule.communication.staff_email.serializers import StaffEmailCreateSerializer
+
+        viewset = StaffEmailViewSet()
+        viewset.action = 'create'
+
+        serializer_class = viewset.get_serializer_class()
+
+        assert serializer_class == StaffEmailCreateSerializer
+
+    def test_get_serializer_class_retrieve(self):
+        """Test retrieve action uses detail serializer."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+        from smoothschedule.communication.staff_email.serializers import StaffEmailDetailSerializer
+
+        viewset = StaffEmailViewSet()
+        viewset.action = 'retrieve'
+
+        serializer_class = viewset.get_serializer_class()
+
+        assert serializer_class == StaffEmailDetailSerializer
+
+
+class TestMarkReadAction:
+    """Tests for mark_read action."""
+
+    def test_mark_read_updates_email(self):
+        """Test mark_read action marks email as read."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_email = Mock()
+        mock_email.is_read = False
+
+        viewset = StaffEmailViewSet()
+        viewset.get_object = Mock(return_value=mock_email)
+        viewset.request = Mock()
+
+        response = viewset.mark_read(viewset.request)
+
+        mock_email.mark_as_read.assert_called_once()
+        assert response.status_code == status.HTTP_200_OK
+
+
+class TestMarkUnreadAction:
+    """Tests for mark_unread action."""
+
+    def test_mark_unread_updates_email(self):
+        """Test mark_unread action marks email as unread."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_email = Mock()
+        mock_email.is_read = True
+
+        viewset = StaffEmailViewSet()
+        viewset.get_object = Mock(return_value=mock_email)
+        viewset.request = Mock()
+
+        response = viewset.mark_unread(viewset.request)
+
+        mock_email.mark_as_unread.assert_called_once()
+        assert response.status_code == status.HTTP_200_OK
+
+
+class TestArchiveAction:
+    """Tests for archive action."""
+
+    def test_archive_moves_to_archive(self):
+        """Test archive action archives the email."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_email = Mock()
+
+        viewset = StaffEmailViewSet()
+        viewset.get_object = Mock(return_value=mock_email)
+        viewset.request = Mock()
+
+        response = viewset.archive(viewset.request)
+
+        mock_email.archive.assert_called_once()
+        assert response.status_code == status.HTTP_200_OK
+
+
+class TestTrashAction:
+    """Tests for trash action."""
+
+    def test_trash_moves_to_trash(self):
+        """Test trash action moves email to trash."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_email = Mock()
+
+        viewset = StaffEmailViewSet()
+        viewset.get_object = Mock(return_value=mock_email)
+        viewset.request = Mock()
+
+        response = viewset.trash(viewset.request)
+
+        mock_email.move_to_trash.assert_called_once()
+        assert response.status_code == status.HTTP_200_OK
+
+
+class TestMoveAction:
+    """Tests for move action."""
+
+    @patch('smoothschedule.communication.staff_email.views.StaffEmailFolder.objects')
+    def test_move_changes_folder(self, mock_folder_objects):
+        """Test move action moves email to specified folder."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+
+        mock_email = Mock()
+        mock_folder = Mock()
+        mock_folder_objects.get.return_value = mock_folder
+
+        viewset = StaffEmailViewSet()
+        viewset.get_object = Mock(return_value=mock_email)
+        viewset.request = Mock()
+        viewset.request.user = Mock(id=1)
+        viewset.request.data = {'folder_id': 5}
+
+        response = viewset.move(viewset.request)
+
+        mock_email.move_to_folder.assert_called_once_with(mock_folder)
+        assert response.status_code == status.HTTP_200_OK
+
+
+class TestSendAction:
+    """Tests for send action."""
+
+    def test_send_rejects_non_draft(self):
+        """Test send action rejects non-draft emails."""
+        from smoothschedule.communication.staff_email.views import StaffEmailViewSet
+        from smoothschedule.communication.staff_email.models import StaffEmail
+
+        mock_email = Mock()
+        mock_email.status = StaffEmail.Status.SENT
+
+        viewset = StaffEmailViewSet()
+        viewset.get_object = Mock(return_value=mock_email)
+        viewset.request = Mock()
+
+        response = viewset.send(viewset.request)
+
+        assert response.status_code == status.HTTP_400_BAD_REQUEST
+
+
+class TestStaffEmailLabelViewSet:
+    """Tests for StaffEmailLabelViewSet."""
+
+    @patch('smoothschedule.communication.staff_email.views.StaffEmailLabel.objects')
+    def test_get_queryset_filters_by_user(self, mock_objects):
+        """Test queryset is filtered by user."""
+        from smoothschedule.communication.staff_email.views import StaffEmailLabelViewSet
+
+        mock_user = Mock(id=1)
+        mock_queryset = Mock()
+        mock_objects.filter.return_value = mock_queryset
+
+        viewset = StaffEmailLabelViewSet()
+        viewset.request = Mock()
+        viewset.request.user = mock_user
+
+        result = viewset.get_queryset()
+
+        mock_objects.filter.assert_called_once_with(user=mock_user)
diff --git a/smoothschedule/smoothschedule/communication/staff_email/urls.py b/smoothschedule/smoothschedule/communication/staff_email/urls.py
new file mode 100644
index 00000000..68369e19
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/urls.py
@@ -0,0 +1,26 @@
+"""
+URL Configuration for Staff Email API
+"""
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+
+from .views import (
+    StaffEmailFolderViewSet,
+    StaffEmailViewSet,
+    StaffEmailLabelViewSet,
+    EmailContactSuggestionViewSet,
+    StaffEmailAttachmentViewSet,
+)
+
+app_name = 'staff_email'
+
+router = DefaultRouter()
+router.register(r'folders', StaffEmailFolderViewSet, basename='folder')
+router.register(r'messages', StaffEmailViewSet, basename='message')
+router.register(r'labels', StaffEmailLabelViewSet, basename='label')
+router.register(r'contacts', EmailContactSuggestionViewSet, basename='contact')
+router.register(r'attachments', StaffEmailAttachmentViewSet, basename='attachment')
+
+urlpatterns = [
+    path('', include(router.urls)),
+]
diff --git a/smoothschedule/smoothschedule/communication/staff_email/views.py b/smoothschedule/smoothschedule/communication/staff_email/views.py
new file mode 100644
index 00000000..026fb04f
--- /dev/null
+++ b/smoothschedule/smoothschedule/communication/staff_email/views.py
@@ -0,0 +1,664 @@
+"""
+ViewSets for Staff Email API
+
+Provides REST API endpoints for the platform staff email client.
+"""
+from rest_framework import viewsets, status, permissions
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from rest_framework.parsers import MultiPartParser, FormParser
+from rest_framework.pagination import PageNumberPagination
+from django.db import models
+from django.shortcuts import get_object_or_404
+
+
+class StaffEmailPagination(PageNumberPagination):
+    """Pagination for staff email list."""
+    page_size = 50
+    page_size_query_param = 'page_size'
+    max_page_size = 100
+
+from .models import (
+    StaffEmail,
+    StaffEmailFolder,
+    StaffEmailAttachment,
+    StaffEmailLabel,
+    StaffEmailLabelAssignment,
+    EmailContactSuggestion,
+)
+from .serializers import (
+    StaffEmailFolderSerializer,
+    StaffEmailListSerializer,
+    StaffEmailDetailSerializer,
+    StaffEmailCreateSerializer,
+    StaffEmailAttachmentSerializer,
+    StaffEmailLabelSerializer,
+    EmailContactSuggestionSerializer,
+    BulkEmailActionSerializer,
+    ReplyEmailSerializer,
+    ForwardEmailSerializer,
+    MoveEmailSerializer,
+)
+from smoothschedule.identity.users.models import User
+
+
+class IsPlatformUser(permissions.BasePermission):
+    """Permission class that allows only platform users."""
+
+    def has_permission(self, request, view):
+        if not request.user.is_authenticated:
+            return False
+        return request.user.role in [
+            User.Role.SUPERUSER,
+            User.Role.PLATFORM_MANAGER,
+            User.Role.PLATFORM_SUPPORT,
+        ]
+
+
+class StaffEmailFolderViewSet(viewsets.ModelViewSet):
+    """
+    API for managing email folders.
+
+    GET /api/staff-email/folders/ - List all folders
+    POST /api/staff-email/folders/ - Create custom folder
+    PATCH /api/staff-email/folders/{id}/ - Update folder
+    DELETE /api/staff-email/folders/{id}/ - Delete custom folder
+    """
+    serializer_class = StaffEmailFolderSerializer
+    permission_classes = [permissions.IsAuthenticated, IsPlatformUser]
+
+    def get_queryset(self):
+        return StaffEmailFolder.objects.filter(user=self.request.user)
+
+    def perform_create(self, serializer):
+        # Ensure default folders exist
+        StaffEmailFolder.create_default_folders(self.request.user)
+        serializer.save()
+
+    def destroy(self, request, *args, **kwargs):
+        instance = self.get_object()
+
+        # Don't allow deleting system folders
+        if instance.folder_type != StaffEmailFolder.FolderType.CUSTOM:
+            return Response(
+                {'error': 'Cannot delete system folders'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        # Move emails to inbox before deleting folder
+        inbox = StaffEmailFolder.get_or_create_folder(
+            request.user,
+            StaffEmailFolder.FolderType.INBOX
+        )
+        StaffEmail.objects.filter(folder=instance).update(folder=inbox)
+
+        return super().destroy(request, *args, **kwargs)
+
+
+class StaffEmailViewSet(viewsets.ModelViewSet):
+    """
+    API for managing emails.
+
+    GET /api/staff-email/messages/?folder_id=1&is_unread=true - List emails
+    GET /api/staff-email/messages/{id}/ - Get email detail
+    POST /api/staff-email/messages/ - Create draft
+    PATCH /api/staff-email/messages/{id}/ - Update draft
+    DELETE /api/staff-email/messages/{id}/ - Archive email
+
+    Custom actions:
+    POST /send/ - Send draft
+    POST /reply/ - Create reply
+    POST /forward/ - Forward email
+    POST /move/ - Move to folder
+    POST /mark_read/ - Mark as read
+    POST /mark_unread/ - Mark as unread
+    POST /star/ - Star email
+    POST /unstar/ - Unstar email
+    POST /archive/ - Archive email
+    POST /trash/ - Move to trash
+    POST /restore/ - Restore from trash/archive
+    POST /bulk_action/ - Perform bulk action
+    """
+    permission_classes = [permissions.IsAuthenticated, IsPlatformUser]
+    pagination_class = StaffEmailPagination
+
+    def get_serializer_class(self):
+        if self.action == 'list':
+            return StaffEmailListSerializer
+        elif self.action in ['create', 'update', 'partial_update']:
+            return StaffEmailCreateSerializer
+        return StaffEmailDetailSerializer
+
+    def get_queryset(self):
+        queryset = StaffEmail.objects.filter(
+            owner=self.request.user
+        ).select_related('folder', 'email_address')
+
+        # Filter by folder (accept both 'folder' and 'folder_id')
+        folder_id = self.request.query_params.get('folder') or self.request.query_params.get('folder_id')
+        if folder_id:
+            queryset = queryset.filter(folder_id=folder_id)
+
+        # Filter by email address (for multi-account views)
+        email_address_id = self.request.query_params.get('email_address')
+        if email_address_id:
+            queryset = queryset.filter(email_address_id=email_address_id)
+
+        # Filter by folder type
+        folder_type = self.request.query_params.get('folder_type')
+        if folder_type:
+            queryset = queryset.filter(folder__folder_type=folder_type)
+
+        # Filter by read status
+        is_unread = self.request.query_params.get('is_unread')
+        if is_unread == 'true':
+            queryset = queryset.filter(is_read=False)
+
+        # Filter by starred
+        is_starred = self.request.query_params.get('is_starred')
+        if is_starred == 'true':
+            queryset = queryset.filter(is_starred=True)
+
+        # Filter by status
+        email_status = self.request.query_params.get('status')
+        if email_status:
+            queryset = queryset.filter(status=email_status)
+
+        # Search
+        search = self.request.query_params.get('search')
+        if search:
+            queryset = queryset.filter(
+                models.Q(subject__icontains=search) |
+                models.Q(from_address__icontains=search) |
+                models.Q(from_name__icontains=search) |
+                models.Q(body_text__icontains=search)
+            )
+
+        # Thread view - get only first email per thread
+        thread_view = self.request.query_params.get('thread_view')
+        if thread_view == 'true':
+            # Get distinct thread_ids with latest email date
+            queryset = queryset.order_by('thread_id', '-email_date').distinct('thread_id')
+
+        return queryset.order_by('-email_date')
+
+    def destroy(self, request, *args, **kwargs):
+        """Archive email instead of hard delete."""
+        instance = self.get_object()
+        instance.permanently_delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)
+
+    @action(detail=True, methods=['post'])
+    def send(self, request, pk=None):
+        """Send a draft email."""
+        email = self.get_object()
+
+        if email.status != StaffEmail.Status.DRAFT:
+            return Response(
+                {'error': 'Only drafts can be sent'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        if not email.to_addresses:
+            return Response(
+                {'error': 'No recipients specified'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        # Queue for async sending
+        from .tasks import send_staff_email
+        send_staff_email.delay(email.id)
+
+        return Response({'status': 'queued', 'email_id': email.id})
+
+    @action(detail=True, methods=['post'])
+    def reply(self, request, pk=None):
+        """Create a reply to an email."""
+        original = self.get_object()
+        serializer = ReplyEmailSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        if not original.email_address:
+            return Response(
+                {'error': 'No email address associated with this email'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        from .smtp_service import StaffEmailSmtpService
+        service = StaffEmailSmtpService(original.email_address)
+
+        reply = service.create_reply(
+            original_email=original,
+            reply_body_html=serializer.validated_data['body_html'],
+            reply_body_text=serializer.validated_data.get('body_text', ''),
+            reply_all=serializer.validated_data.get('reply_all', False)
+        )
+
+        return Response(
+            StaffEmailDetailSerializer(reply, context={'request': request}).data,
+            status=status.HTTP_201_CREATED
+        )
+
+    @action(detail=True, methods=['post'])
+    def forward(self, request, pk=None):
+        """Forward an email."""
+        original = self.get_object()
+        serializer = ForwardEmailSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        if not original.email_address:
+            return Response(
+                {'error': 'No email address associated with this email'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        from .smtp_service import StaffEmailSmtpService
+        service = StaffEmailSmtpService(original.email_address)
+
+        forward = service.create_forward(
+            original_email=original,
+            to_addresses=serializer.validated_data['to_addresses'],
+            forward_body_html=serializer.validated_data['body_html'],
+            forward_body_text=serializer.validated_data.get('body_text', ''),
+            include_attachments=serializer.validated_data.get('include_attachments', True)
+        )
+
+        return Response(
+            StaffEmailDetailSerializer(forward, context={'request': request}).data,
+            status=status.HTTP_201_CREATED
+        )
+
+    @action(detail=True, methods=['post'])
+    def move(self, request, pk=None):
+        """Move email to a different folder."""
+        email = self.get_object()
+        serializer = MoveEmailSerializer(
+            data=request.data,
+            context={'request': request}
+        )
+        serializer.is_valid(raise_exception=True)
+
+        folder = StaffEmailFolder.objects.get(
+            id=serializer.validated_data['folder_id'],
+            user=request.user
+        )
+        email.move_to_folder(folder)
+
+        return Response({'status': 'moved', 'folder_id': folder.id})
+
+    @action(detail=True, methods=['post'])
+    def mark_read(self, request, pk=None):
+        """Mark email as read."""
+        email = self.get_object()
+        email.mark_as_read()
+
+        # Optionally sync to IMAP server
+        # from .imap_service import StaffEmailImapService
+        # service = StaffEmailImapService(email.email_address)
+        # service.mark_as_read_on_server(email)
+
+        return Response({'status': 'success', 'is_read': True})
+
+    @action(detail=True, methods=['post'])
+    def mark_unread(self, request, pk=None):
+        """Mark email as unread."""
+        email = self.get_object()
+        email.mark_as_unread()
+        return Response({'status': 'success', 'is_read': False})
+
+    @action(detail=True, methods=['post'])
+    def star(self, request, pk=None):
+        """Star an email."""
+        email = self.get_object()
+        email.is_starred = True
+        email.save(update_fields=['is_starred', 'updated_at'])
+        return Response({'status': 'success', 'is_starred': True})
+
+    @action(detail=True, methods=['post'])
+    def unstar(self, request, pk=None):
+        """Unstar an email."""
+        email = self.get_object()
+        email.is_starred = False
+        email.save(update_fields=['is_starred', 'updated_at'])
+        return Response({'status': 'success', 'is_starred': False})
+
+    @action(detail=True, methods=['post'])
+    def archive(self, request, pk=None):
+        """Move email to archive folder."""
+        email = self.get_object()
+        email.archive()
+        return Response({'status': 'archived'})
+
+    @action(detail=True, methods=['post'])
+    def trash(self, request, pk=None):
+        """Move email to trash folder."""
+        email = self.get_object()
+        email.move_to_trash()
+        return Response({'status': 'trashed'})
+
+    @action(detail=True, methods=['post'])
+    def restore(self, request, pk=None):
+        """Restore email from trash or permanent deletion."""
+        # Use all_objects to find permanently deleted emails too
+        email = get_object_or_404(
+            StaffEmail.all_objects,
+            pk=pk,
+            owner=request.user
+        )
+        email.restore()
+        return Response({'status': 'restored'})
+
+    @action(detail=False, methods=['post'])
+    def bulk_action(self, request):
+        """Perform bulk action on multiple emails."""
+        serializer = BulkEmailActionSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        email_ids = serializer.validated_data['email_ids']
+        action_type = serializer.validated_data['action']
+
+        emails = StaffEmail.objects.filter(
+            id__in=email_ids,
+            owner=request.user
+        )
+
+        count = 0
+        for email in emails:
+            if action_type == 'read':
+                email.mark_as_read()
+            elif action_type == 'unread':
+                email.mark_as_unread()
+            elif action_type == 'star':
+                email.is_starred = True
+                email.save(update_fields=['is_starred', 'updated_at'])
+            elif action_type == 'unstar':
+                email.is_starred = False
+                email.save(update_fields=['is_starred', 'updated_at'])
+            elif action_type == 'archive':
+                email.archive()
+            elif action_type == 'trash':
+                email.move_to_trash()
+            elif action_type == 'delete':
+                email.permanently_delete()
+            elif action_type == 'restore':
+                email.restore()
+            count += 1
+
+        return Response({
+            'status': 'success',
+            'action': action_type,
+            'count': count
+        })
+
+    @action(detail=False, methods=['get'])
+    def unread_count(self, request):
+        """Get unread email counts by folder."""
+        folders = StaffEmailFolder.objects.filter(user=request.user)
+        counts = {}
+        for folder in folders:
+            counts[folder.folder_type] = folder.unread_count
+        total = StaffEmail.objects.filter(owner=request.user, is_read=False).count()
+        return Response({'total': total, 'by_folder': counts})
+
+    @action(detail=False, methods=['post'])
+    def sync(self, request):
+        """Trigger email sync from IMAP."""
+        from .tasks import fetch_staff_emails
+        result = fetch_staff_emails.delay()
+        return Response({
+            'status': 'sync_started',
+            'task_id': result.id
+        })
+
+    @action(detail=False, methods=['post'])
+    def full_sync(self, request):
+        """
+        Trigger full email sync from IMAP.
+
+        This syncs all folders and all emails (including already-read ones)
+        for all email addresses assigned to the current user.
+        """
+        from smoothschedule.platform.admin.models import PlatformEmailAddress
+        from .tasks import full_sync_staff_email
+
+        # Find email addresses assigned to current user
+        email_addresses = PlatformEmailAddress.objects.filter(
+            assigned_user=request.user,
+            routing_mode=PlatformEmailAddress.RoutingMode.STAFF,
+            is_active=True
+        )
+
+        if not email_addresses.exists():
+            return Response(
+                {'error': 'No email addresses assigned to you'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        task_ids = []
+        for email_addr in email_addresses:
+            result = full_sync_staff_email.delay(email_addr.id)
+            task_ids.append({
+                'email_address': email_addr.email_address,
+                'task_id': result.id
+            })
+
+        return Response({
+            'status': 'full_sync_started',
+            'tasks': task_ids
+        })
+
+    @action(detail=False, methods=['get'])
+    def email_addresses(self, request):
+        """
+        Get all email addresses assigned to the current user.
+
+        Returns email addresses that are configured for staff routing mode
+        and assigned to the current user.
+        """
+        from smoothschedule.platform.admin.models import PlatformEmailAddress
+
+        email_addresses = PlatformEmailAddress.objects.filter(
+            assigned_user=request.user,
+            routing_mode=PlatformEmailAddress.RoutingMode.STAFF,
+            is_active=True
+        )
+
+        # Serialize manually since email_address is a property
+        result = [
+            {
+                'id': addr.id,
+                'email_address': addr.email_address,  # computed property
+                'display_name': addr.display_name,
+                'color': addr.color,
+                'is_default': addr.is_default,
+                'last_check_at': addr.last_check_at,
+                'emails_processed_count': addr.emails_processed_count,
+            }
+            for addr in email_addresses
+        ]
+
+        return Response(result)
+
+
+class StaffEmailLabelViewSet(viewsets.ModelViewSet):
+    """
+    API for managing email labels.
+
+    GET /api/staff-email/labels/ - List all labels
+    POST /api/staff-email/labels/ - Create label
+    PATCH /api/staff-email/labels/{id}/ - Update label
+    DELETE /api/staff-email/labels/{id}/ - Delete label
+    POST /api/staff-email/labels/{id}/assign/ - Assign to email
+    POST /api/staff-email/labels/{id}/unassign/ - Unassign from email
+    """
+    serializer_class = StaffEmailLabelSerializer
+    permission_classes = [permissions.IsAuthenticated, IsPlatformUser]
+
+    def get_queryset(self):
+        return StaffEmailLabel.objects.filter(user=self.request.user)
+
+    @action(detail=True, methods=['post'])
+    def assign(self, request, pk=None):
+        """Assign label to an email."""
+        label = self.get_object()
+        email_id = request.data.get('email_id')
+
+        if not email_id:
+            return Response(
+                {'error': 'email_id is required'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        email = get_object_or_404(StaffEmail, id=email_id, owner=request.user)
+
+        StaffEmailLabelAssignment.objects.get_or_create(
+            email=email,
+            label=label
+        )
+
+        return Response({'status': 'assigned'})
+
+    @action(detail=True, methods=['post'])
+    def unassign(self, request, pk=None):
+        """Unassign label from an email."""
+        label = self.get_object()
+        email_id = request.data.get('email_id')
+
+        if not email_id:
+            return Response(
+                {'error': 'email_id is required'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        StaffEmailLabelAssignment.objects.filter(
+            email_id=email_id,
+            label=label
+        ).delete()
+
+        return Response({'status': 'unassigned'})
+
+
+class EmailContactSuggestionViewSet(viewsets.ReadOnlyModelViewSet):
+    """
+    API for email contact suggestions and autocomplete.
+
+    GET /api/staff-email/contacts/?q=search_term - Search contacts
+    GET /api/staff-email/contacts/platform_users/ - Get all platform users
+    """
+    serializer_class = EmailContactSuggestionSerializer
+    permission_classes = [permissions.IsAuthenticated, IsPlatformUser]
+
+    def get_queryset(self):
+        queryset = EmailContactSuggestion.objects.filter(user=self.request.user)
+
+        q = self.request.query_params.get('q', '')
+        if q and len(q) >= 2:
+            queryset = queryset.filter(
+                models.Q(email__icontains=q) |
+                models.Q(name__icontains=q)
+            )
+
+        return queryset[:20]
+
+    @action(detail=False, methods=['get'])
+    def platform_users(self, request):
+        """Get all platform users for contact suggestions."""
+        users = User.objects.filter(
+            role__in=[
+                User.Role.SUPERUSER,
+                User.Role.PLATFORM_MANAGER,
+                User.Role.PLATFORM_SUPPORT,
+            ],
+            is_active=True
+        ).values('id', 'email', 'first_name', 'last_name')
+
+        contacts = [
+            {
+                'id': u['id'],
+                'email': u['email'],
+                'name': f"{u['first_name']} {u['last_name']}".strip() or u['email'],
+                'is_platform_user': True,
+            }
+            for u in users
+        ]
+
+        return Response(contacts)
+
+
+class StaffEmailAttachmentViewSet(viewsets.ModelViewSet):
+    """
+    API for managing email attachments.
+
+    GET /api/staff-email/attachments/{id}/ - Get attachment info
+    GET /api/staff-email/attachments/{id}/download/ - Download attachment
+    POST /api/staff-email/attachments/ - Upload attachment
+    DELETE /api/staff-email/attachments/{id}/ - Delete attachment
+    """
+    serializer_class = StaffEmailAttachmentSerializer
+    permission_classes = [permissions.IsAuthenticated, IsPlatformUser]
+    parser_classes = [MultiPartParser, FormParser]
+
+    def get_queryset(self):
+        return StaffEmailAttachment.objects.filter(
+            email__owner=self.request.user
+        )
+
+    def create(self, request, *args, **kwargs):
+        """Upload an attachment."""
+        file = request.FILES.get('file')
+        email_id = request.data.get('email_id')
+
+        if not file:
+            return Response(
+                {'error': 'No file provided'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        if not email_id:
+            return Response(
+                {'error': 'email_id is required'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        email = get_object_or_404(
+            StaffEmail,
+            id=email_id,
+            owner=request.user,
+            status=StaffEmail.Status.DRAFT
+        )
+
+        # TODO: Upload to DigitalOcean Spaces
+        storage_path = f"email_attachments/{request.user.id}/{email.id}/{file.name}"
+
+        attachment = StaffEmailAttachment.objects.create(
+            email=email,
+            filename=file.name,
+            content_type=file.content_type or 'application/octet-stream',
+            size=file.size,
+            storage_path=storage_path,
+        )
+
+        # Update email has_attachments flag
+        email.has_attachments = True
+        email.save(update_fields=['has_attachments'])
+
+        return Response(
+            StaffEmailAttachmentSerializer(attachment).data,
+            status=status.HTTP_201_CREATED
+        )
+
+    @action(detail=True, methods=['get'])
+    def download(self, request, pk=None):
+        """Get download URL for attachment."""
+        attachment = self.get_object()
+
+        # TODO: Generate presigned URL from DigitalOcean Spaces
+        # For now, return a placeholder
+        download_url = f"/api/staff-email/attachments/{attachment.id}/file/"
+
+        return Response({
+            'filename': attachment.filename,
+            'content_type': attachment.content_type,
+            'size': attachment.size,
+            'download_url': download_url,
+        })
diff --git a/smoothschedule/smoothschedule/platform/admin/migrations/0014_add_routing_mode_and_email_models.py b/smoothschedule/smoothschedule/platform/admin/migrations/0014_add_routing_mode_and_email_models.py
new file mode 100644
index 00000000..178eb190
--- /dev/null
+++ b/smoothschedule/smoothschedule/platform/admin/migrations/0014_add_routing_mode_and_email_models.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.2.8 on 2025-12-18 03:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('platform_admin', '0013_remove_business_tier_from_subscription_plan'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='platformemailaddress',
+            name='routing_mode',
+            field=models.CharField(choices=[('PLATFORM', 'Platform Ticketing'), ('STAFF', 'Staff Inbox')], default='PLATFORM', help_text="Where incoming emails are routed: Platform creates tickets, Staff goes to user's inbox", max_length=20),
+        ),
+    ]
diff --git a/smoothschedule/smoothschedule/platform/admin/models.py b/smoothschedule/smoothschedule/platform/admin/models.py
index b87ffc40..ba26478b 100644
--- a/smoothschedule/smoothschedule/platform/admin/models.py
+++ b/smoothschedule/smoothschedule/platform/admin/models.py
@@ -561,6 +561,10 @@ class PlatformEmailAddress(models.Model):
         SMOOTHSCHEDULE = 'smoothschedule.com', 'smoothschedule.com'
         TALOVA = 'talova.net', 'talova.net'
 
+    class RoutingMode(models.TextChoices):
+        PLATFORM = 'PLATFORM', _('Platform Ticketing')
+        STAFF = 'STAFF', _('Staff Inbox')
+
     # Display information
     display_name = models.CharField(
         max_length=100,
@@ -596,6 +600,14 @@ class PlatformEmailAddress(models.Model):
         help_text="User associated with this email. If set, their name is used as sender name."
     )
 
+    # Routing mode - determines where incoming emails go
+    routing_mode = models.CharField(
+        max_length=20,
+        choices=RoutingMode.choices,
+        default=RoutingMode.PLATFORM,
+        help_text="Where incoming emails are routed: Platform creates tickets, Staff goes to user's inbox"
+    )
+
     # Account credentials (stored securely, synced to mail server)
     password = models.CharField(
         max_length=255,
diff --git a/smoothschedule/smoothschedule/platform/admin/serializers.py b/smoothschedule/smoothschedule/platform/admin/serializers.py
index d41ea525..49d2ecfd 100644
--- a/smoothschedule/smoothschedule/platform/admin/serializers.py
+++ b/smoothschedule/smoothschedule/platform/admin/serializers.py
@@ -653,7 +653,7 @@ class PlatformEmailAddressListSerializer(serializers.ModelSerializer):
         fields = [
             'id', 'display_name', 'sender_name', 'effective_sender_name',
             'local_part', 'domain', 'email_address', 'color',
-            'assigned_user',
+            'assigned_user', 'routing_mode',
             'is_active', 'is_default', 'mail_server_synced',
             'last_check_at', 'emails_processed_count',
             'created_at', 'updated_at'
@@ -709,7 +709,7 @@ class PlatformEmailAddressSerializer(serializers.ModelSerializer):
         try:
             user = User.objects.get(
                 pk=value,
-                role__in=['superuser', 'platform_manager', 'platform_support'],
+                role__in=[User.Role.SUPERUSER, User.Role.PLATFORM_MANAGER, User.Role.PLATFORM_SUPPORT],
                 is_active=True
             )
             return user
@@ -842,7 +842,7 @@ class PlatformEmailAddressUpdateSerializer(serializers.ModelSerializer):
         try:
             user = User.objects.get(
                 pk=value,
-                role__in=['superuser', 'platform_manager', 'platform_support'],
+                role__in=[User.Role.SUPERUSER, User.Role.PLATFORM_MANAGER, User.Role.PLATFORM_SUPPORT],
                 is_active=True
             )
             return user
diff --git a/smoothschedule/smoothschedule/platform/admin/tasks.py b/smoothschedule/smoothschedule/platform/admin/tasks.py
index 9c66257b..ce05317c 100644
--- a/smoothschedule/smoothschedule/platform/admin/tasks.py
+++ b/smoothschedule/smoothschedule/platform/admin/tasks.py
@@ -348,3 +348,125 @@ def sync_subscription_plan_to_tenants(self, plan_id: int):
 
     logger.info(f"Completed sync for plan '{plan.name}': {updated_count}/{tenant_count} tenants updated")
     return result
+
+
+# ============================================================================
+# Staff Email Tasks
+# ============================================================================
+
+@shared_task(name='platform.fetch_staff_emails')
+def fetch_staff_emails():
+    """
+    Periodic task to fetch emails for all staff-assigned email addresses.
+
+    Checks all PlatformEmailAddress records with routing_mode='STAFF'
+    and fetches new emails from IMAP.
+
+    Returns:
+        Dict with results per email address
+    """
+    from .email_imap_service import fetch_all_staff_emails
+
+    logger.info("Starting staff email fetch task")
+    results = fetch_all_staff_emails()
+
+    total_processed = sum(count for count in results.values() if count > 0)
+    logger.info(f"Staff email fetch complete: {total_processed} emails processed")
+
+    return {
+        'success': True,
+        'total_processed': total_processed,
+        'details': results,
+    }
+
+
+@shared_task(bind=True, max_retries=3, name='platform.send_staff_email')
+def send_staff_email(self, email_id: int):
+    """
+    Send a staff email draft.
+
+    Args:
+        email_id: ID of the StaffEmail to send
+
+    Returns:
+        Dict with success status
+    """
+    from .email_models import StaffEmail
+    from .email_smtp_service import StaffEmailSmtpService
+
+    try:
+        staff_email = StaffEmail.objects.select_related(
+            'email_address', 'owner'
+        ).get(id=email_id)
+    except StaffEmail.DoesNotExist:
+        logger.error(f"StaffEmail {email_id} not found")
+        return {'success': False, 'error': 'Email not found'}
+
+    if not staff_email.email_address:
+        logger.error(f"StaffEmail {email_id} has no associated email address")
+        return {'success': False, 'error': 'No email address configured'}
+
+    try:
+        service = StaffEmailSmtpService(staff_email.email_address)
+        success = service.send_email(staff_email)
+
+        if success:
+            logger.info(f"Successfully sent staff email {email_id}")
+            # TODO: Send WebSocket notification about sent email
+            return {'success': True, 'email_id': email_id}
+        else:
+            logger.error(f"Failed to send staff email {email_id}")
+            return {'success': False, 'error': 'Send failed'}
+
+    except Exception as e:
+        logger.error(f"Error sending staff email {email_id}: {e}", exc_info=True)
+        raise self.retry(exc=e, countdown=60 * (2 ** self.request.retries))
+
+
+@shared_task(name='platform.sync_staff_email_folder')
+def sync_staff_email_folder(email_address_id: int, folder_name: str = 'INBOX'):
+    """
+    Sync a specific IMAP folder for a staff email address.
+
+    Args:
+        email_address_id: ID of the PlatformEmailAddress
+        folder_name: IMAP folder to sync
+
+    Returns:
+        Dict with sync results
+    """
+    from .models import PlatformEmailAddress
+    from .email_imap_service import StaffEmailImapService
+
+    try:
+        email_address = PlatformEmailAddress.objects.get(id=email_address_id)
+    except PlatformEmailAddress.DoesNotExist:
+        logger.error(f"PlatformEmailAddress {email_address_id} not found")
+        return {'success': False, 'error': 'Email address not found'}
+
+    if email_address.routing_mode != PlatformEmailAddress.RoutingMode.STAFF:
+        logger.warning(f"Email address {email_address_id} is not in staff mode")
+        return {'success': False, 'error': 'Not a staff email address'}
+
+    try:
+        service = StaffEmailImapService(email_address)
+        synced_count = service.sync_folder(folder_name, full_sync=False)
+
+        logger.info(
+            f"Synced {synced_count} emails for {email_address.email_address} "
+            f"folder {folder_name}"
+        )
+
+        return {
+            'success': True,
+            'email_address': email_address.email_address,
+            'folder': folder_name,
+            'synced_count': synced_count,
+        }
+
+    except Exception as e:
+        logger.error(
+            f"Error syncing folder {folder_name} for {email_address.email_address}: {e}",
+            exc_info=True
+        )
+        return {'success': False, 'error': str(e)}
diff --git a/smoothschedule/smoothschedule/platform/admin/views.py b/smoothschedule/smoothschedule/platform/admin/views.py
index b002e65e..6da0bc68 100644
--- a/smoothschedule/smoothschedule/platform/admin/views.py
+++ b/smoothschedule/smoothschedule/platform/admin/views.py
@@ -1483,7 +1483,7 @@ class PlatformEmailAddressViewSet(viewsets.ModelViewSet):
         from smoothschedule.identity.users.models import User
 
         users = User.objects.filter(
-            role__in=['superuser', 'platform_manager', 'platform_support'],
+            role__in=[User.Role.SUPERUSER, User.Role.PLATFORM_MANAGER, User.Role.PLATFORM_SUPPORT],
             is_active=True
         ).order_by('first_name', 'last_name', 'email')
 
diff --git a/smoothschedule/smoothschedule/scheduling/contracts/views.py b/smoothschedule/smoothschedule/scheduling/contracts/views.py
index 26a595d9..899af6c8 100644
--- a/smoothschedule/smoothschedule/scheduling/contracts/views.py
+++ b/smoothschedule/smoothschedule/scheduling/contracts/views.py
@@ -26,7 +26,8 @@ class HasContractsPermission(BasePermission):
             return False
 
         # Platform users (superuser, platform_manager, etc.) can access
-        if hasattr(user, 'role') and user.role in ['superuser', 'platform_manager', 'platform_support']:
+        from smoothschedule.identity.users.models import User
+        if hasattr(user, 'role') and user.role in [User.Role.SUPERUSER, User.Role.PLATFORM_MANAGER, User.Role.PLATFORM_SUPPORT]:
             return True
 
         # Get tenant from user