More good news up front: Windows users can now also have the application updated automatically via the update dialog in the application.
[0.4.0] - 2026-02-16
✨ New Features
- Integrations: New integrations system to connect YouniqMail with external services — all integrations can also be used as automation actions for rule-based workflows. Configure in Settings -> Integrations.
- Webhooks: Send HTTP notifications to external services when automation rules trigger
- Configure multiple webhook endpoints with individual settings
- Built-in payload templates for Slack, Discord, Microsoft Teams, and custom endpoints
- Template variables for dynamic content (e.g.
{{subject}}, {{from}}, {{preview}}, {{tags}})
- Optional HMAC-SHA256 request signing for secure webhook delivery
- Configurable timeout and retry logic with exponential backoff
- Test button to verify endpoint connectivity
- CalDAV Calendar: Sync emails and calendar invitations to CalDAV-compatible calendar servers
- Connect to Nextcloud, iCloud, Google Calendar, Fastmail, Radicale, Baikal, and other CalDAV servers
- Auto-discovery of calendars via CalDAV protocol
- Support for multiple CalDAV accounts simultaneously
- Optionally auto-add accepted calendar invitations (ICS) to your default calendar
- Authentication via Basic Auth or Bearer Token (OAuth2)
- Script Runner: Execute local scripts or commands when automation rules trigger
- Configure multiple scripts with individual settings
- Three modes for passing email data: no data, environment variables (
YM_SUBJECT, YM_FROM, etc.), or JSON via stdin
- Command-line argument templates with variable placeholders
- Configurable timeout and working directory
- Requires explicit security acknowledgment before enabling
- Trello: Export emails to Trello boards as cards — manually or via automation rules
- Connect your Trello account via OAuth in Settings -> Integrations -> Trello
- Configure default board and list for quick card creation
- "Send to Trello" option in the email actions menu with editable card title and description
- Optionally attach the email as a PDF to the Trello card
- Card description includes email metadata (From, Date) and the full email body
- Asana: Create Asana tasks from emails — manually or via automation rules
- Connect your Asana account via OAuth in Settings -> Integrations -> Asana
- Select default workspace and project for quick task creation
- "Send to Asana" option in the email actions menu with editable task name, description, project, section, and due date
- Optionally attach the email as a PDF to the Asana task
- Cascading dropdowns: workspace → project → section for precise task placement
- Notion: Create Notion pages from emails — manually or via automation rules
- Connect your Notion account via OAuth in Settings -> Integrations -> Notion
- Select a default database for quick page creation
- "Send to Notion" option in the email actions menu with editable page title and content
- Email body is converted to Notion-compatible rich text blocks
- Recipient Intelligence: When composing an email, YouniqMail now shows real-time insights and warnings about your recipients as color-coded badges below the address fields
- Warns when sending to a blocked contact
- Detects common email domain typos (e.g. gmial.com → gmail.com) and suggests corrections
- Indicates when emailing someone for the first time
- Shows communication history (email count and last contact date) for known contacts
- Warns when sending to more than 10 recipients and suggests using BCC
- Shows when mixing internal and external recipients
- Displays PGP key availability for recipients with a public key
- Warns about domains with frequent SPF/DKIM/DMARC authentication failures
- Validates MX records and warns when a domain may not accept emails
- Shows SPF record status for recipient domains
- All checks are individually configurable in Settings -> Compose -> Recipient Intelligence (enable/disable checks, set minimum severity level, toggle DNS lookups)
- Dashboard: A new customizable welcome screen that appears when no email is selected, providing an at-a-glance overview of your email activity, stats, and quick navigation
- 18 widgets organized in 5 groups (General, Productivity, Communication, Security, Organization):
- Quick Stats: Unread, flagged, snoozed, and draft counts as clickable cards
- Drafts Reminder: Alert banner when you have unsent drafts
- Quick Links: Navigation buttons for Inbox, Sent, Flagged, Snoozed, Notes, and smart folders
- Flags Overview: All flag colors with their email counts
- Tags Overview: Custom tags with email counts
- Keyboard Shortcuts: Compact reference of key shortcuts
- Upcoming Snoozes: Next 5 snoozed emails with relative wake-up times
- Account Overview: Unread counts per email account (visible with 2+ accounts)
- Attachment Summary: Total attachment count, storage usage, and largest files
- Notes Overview: Most recent emails with notes
- Top Contacts: Top 5 most frequently contacted people
- Recent Activity: Timeline of your last actions (tags, flags, snoozes, moves, etc.)
- Delivery Status: Hard bounces, soft bounces, and read receipt counts
- Email Authentication: SPF/DKIM/DMARC verification stats (last 30 days)
- PGP / Encryption: Encrypted and signed email counts plus PGP key count
- Smart Folders: All smart folders with cached email counts
- Mailbox Sizes: Top 5 largest mailboxes by message count
- Automation Rules: Active automation rules count and names
- Edit mode: Inline editing with drag-and-drop reordering of widgets
- Show/hide widgets: Toggle individual widgets on or off
- Collapsible sections: Each widget can be collapsed individually (state is remembered)
- 4 presets: Standard, Minimal, Security, and Productivity — one-click layout configurations
- Configure in Settings -> Dashboard
- Launch at system startup: New option in Settings -> Dock / Windows to automatically start YouniqMail when you log in to your computer (macOS, Windows, Linux)
🔧 Improvements
- More reliable and faster email synchronization process
- Smoother and faster UI and animations when triggering mail actions like move to trash or move to junk folder
- For new installations the setting at Privacy -> Block remote images is enabled by default
🐛 Bug Fixes
- Bugfix unread meesage background color setting did not automatically change after switching between light mode and dark mode
- Bugfix scrolling to the correct position / email when opening the mail detail view with multiple emails in this thread
- Fixed Migration Wizard not detecting Thunderbird on Linux when installed via Snap or Flatpak