Cirrux Workspace
Your complete workspace,
built on open standards
Email, calendar, contacts, and reminders that just work. Use any client you already love—Apple Mail, Thunderbird, Outlook, or any IMAP app. Your data stays on encrypted European servers, away from Big Tech.
Everything you need
Built on standards that last
No vendor lock-in. Every feature uses open protocols you can trust—IMAP, SMTP, CalDAV, and CardDAV. Your data is portable, and you're free to switch clients anytime.
Fast, reliable email that works with any client. Custom domains, unlimited aliases, and powerful filtering.
Calendar
CalDAVManage your schedule, create events, and handle calendar invites. Syncs across all your devices.
Contacts
CardDAVKeep your contacts in sync everywhere. Manage groups and share contact lists.
Reminders
CalDAVTrack tasks and reminders that sync with Apple Reminders and other CalDAV clients.
Email that works for you
Professional email, no compromises
Whether you're running a business or managing personal projects, Cirrux gives you the tools you need without the bloat.
Custom domains
Use your own domain for a professional email address. Full DNS management included.
Catch-all mailbox
Never miss an email. Capture all mail sent to any address at your domain.
Unlimited aliases
Create as many email aliases as you need. Organize by project, purpose, or privacy.
Smart filtering
Automatically organize incoming mail with powerful server-side filters.
Instant delivery
No queue delays. Your emails are delivered immediately.
IMAP push
Real-time notifications. New mail appears instantly on all your devices.
Works everywhere
Use the apps you already know
Cirrux works with any standard email or calendar client. No proprietary apps required—though we're building a great web client too.
Apple Mail
macOS / iOS
Thunderbird
Windows / macOS / Linux
Outlook
Windows / macOS
Gmail App
iOS / Android
DAVx5
Android
Mailbird
Windows
Not ready to switch?
Cirrux Sync
Keep your existing mailbox and sync it to Cirrux. Your emails are continuously backed up to encrypted European servers, and you get full access through the Cirrux web client.
View pricingSupported providers
- Google accounts — available now
- ...Microsoft Outlook — coming soon
- ...IMAP — coming soon
Your data, your rules
Privacy & Security
Your inbox is personal. Cirrux is built from the ground up to protect your privacy. No ads, no tracking, no data mining. Just email that respects you.
Security built in
- End-to-end encryption at rest and in transit
- DKIM, DMARC, and SPF for email authentication
- Two-factor authentication (2FA)
- European data centers (Frankfurt, Germany)
- GDPR compliant
- No tracking, no ads, no data mining
Ready to take back your inbox?
Get started with Cirrux Workspace today. Pick your @cirrux.me address or bring your own domain.