125 lines
6.2 KiB
Markdown
125 lines
6.2 KiB
Markdown
# Features
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## Mail
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- Read, compose, reply, reply-all, and forward with a Tiptap rich text editor (inline images, drag-and-drop embedding)
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- Gmail-style threading with inline expansion and an optional conversation toggle
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- Unified mailbox view across all connected accounts
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- Draft auto-save with identity preservation
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- Attachment upload, download, and inline preview; forgotten-attachment warning
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- Full-text search with JMAP filter panel, search chips, wildcards, OR conditions, and cross-mailbox queries
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- Batch operations – multi-select, archive, delete, move, tag
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- Archive modes – direct, by year, or by month
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- Multi-tag support with color labels, reordering, and drag-and-drop assignment
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- Star/unstar with configurable mark-as-read delay
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- Virtual scrolling for large mailboxes
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- Quick reply, hover actions, sender avatars (favicon-based), and recipient popovers
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- Plain-text composer mode and Reply-To support
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- TNEF (`winmail.dat`) extraction and `message/rfc822` unwrapping
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- Folder management with icon picker, subfolders, and sidebar counts
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- Print directly from the viewer
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- Browser history sync for back/forward navigation
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## Calendar
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- Month, week, day, and agenda views with a mini-calendar sidebar and task list
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- Drag-to-reschedule, click-drag creation, and edge-resize with 15-minute snap
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- Recurring events with scoped edit/delete (this / this and following / all)
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- iMIP invitations on create and update (RFC 5545 / 6047), organizer/attendee UI, and RSVP with trust assessment
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- Inline calendar invitations in the email viewer – auto-detect `.ics`, RSVP, import
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- iCalendar import with preview, bulk create, and UID deduplication
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- iCal / webcal subscriptions with editing and batch import
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- Auto-generated birthday calendar from contacts
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- Virtual locations (video conference URLs) as first-class event fields
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- Task management with due dates, priority, and completion status
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- Shared calendars with CalDAV discovery and multi-account home resolution
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- Week numbers, event hover preview, notifications with sound picker
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- Real-time sync via JMAP push
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## Contacts
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- JMAP sync (RFC 9553 / 9610) with local fallback
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- Multiple address books with drag-and-drop between books
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- Contact groups with member management
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- vCard import/export (RFC 6350) with duplicate detection
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- Trusted senders stored in a dedicated JMAP address book
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- Autocomplete in the composer (To / Cc / Bcc)
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## Filters & Templates
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- Server-side filters via JMAP Sieve Scripts (RFC 9661)
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- Visual rule builder with expanded view; conditions (From, To, Subject, Size, Body…) and actions (Move, Forward, Star, Discard…)
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- Preserves rules authored in other clients
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- Raw Sieve editor with syntax validation
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- Vacation responder with date range scheduling
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- Reusable email templates with placeholder auto-fill (`{{recipientName}}`, `{{date}}`, …)
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## Files
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- JMAP FileNode browser (Stalwart native cloud storage)
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- Streamed WebDAV PUT upload and folder upload with progress tracking
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- Dynamic upload limits based on server configuration
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- Grid and list views with sorting by name, size, or date
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- Previews for images, text, audio, and video
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- Clipboard operations (cut, copy, paste, duplicate), favorites, and recent files
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## Security & Privacy
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- External content blocked by default, with a trusted senders list
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- HTML sanitization via DOMPurify
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- S/MIME – manage certificates, sign, encrypt, decrypt, and verify; legacy 3DES / PBE support; per-account key isolation
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- SPF / DKIM / DMARC status indicators
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- OAuth2 / OIDC with PKCE (Keycloak, Authentik, or built-in), OAuth-only mode, OAuth app passwords, and non-interactive SSO for embedded deployments
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- TOTP two-factor authentication
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- Account security panel for password and 2FA management via the Stalwart admin API
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- Optional "Remember me" via AES-256-GCM encrypted httpOnly cookie
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- Enforced CSP with per-request nonce, SSRF redirect validation, PDF iframe sandbox, and IP spoofing prevention
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- Plugin hardening with dangerous-pattern detection and admin approval
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- Newsletter unsubscribe (RFC 2369)
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## Interface
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- Three-pane layout with resizable columns
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- Dark and light themes with intelligent email color transformation
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- Responsive desktop, tablet, and mobile layouts
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- Full keyboard navigation
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- Drag-and-drop email organization and tag assignment
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- Interactive guided tour for new users
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- Right-click context menus, toast notifications with undo
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- Customizable toolbar position, favicon, and login branding
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- Pinnable sidebar apps with drag-and-drop reordering
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- Encrypted settings sync across devices
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- Storage quota display
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- WCAG AA contrast, reduced-motion support, focus trap, and screen reader live regions
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## Internationalization
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15 languages: English · Français · 日本語 · Español · Italiano · Deutsch · Nederlands · Português · Русский · Türkçe · 한국어 · Polski · Latviešu · 简体中文 · Українська
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Automatic browser detection with persistent preference. Configurable locale URL prefix via `NEXT_PUBLIC_LOCALE_PREFIX`.
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## Identity & Multi-Account
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- Up to 5 simultaneous accounts with instant switching and per-account session persistence
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- Account switcher with connection status and default account selection
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- Multiple sender identities with per-identity signatures, automatic sync, and badges in viewer/list
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- Sub-addressing (`user+tag@domain.com`) with contextual tag suggestions
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- Shared folders across accounts
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- Optional custom JMAP endpoints on the login form (`ALLOW_CUSTOM_JMAP_ENDPOINT`)
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## Admin & Extensibility
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- Stalwart admin dashboard with dedicated policy sections
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- Plugin system – schema-driven config UI, render and intercept hooks, `onAvatarResolve` and i18n APIs, calendar event slots, and managed policy enforcement
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- Themes – upload, enforce, and manage admin-controlled themes as ZIP bundles
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- Extension marketplace – browse and install plugins and themes from a configurable directory (`EXTENSION_DIRECTORY_URL`)
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- Bundled plugins including Jitsi Meet calendar integration
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## Operations
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- Progressive Web App with service worker, install prompt, and dynamic manifest
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- Automatic update check with server-side logging of new releases
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- Structured logging (`text` or `json`) with category-based levels
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- Release (`main`) and development (`dev`) Docker images on GHCR
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- Demo mode with fixture data – no mail server required
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