CH · Switzerland
Free (1 GB) · Paid plans available
Proton Mail
Replaces: Gmail, Outlook
End-to-end encrypted email, calendar, and drive protected by strict Swiss privacy laws with zero ad profiling.
The Catch (read before switching): Full-text search across encrypted email bodies is slower on the web, and custom domains require a paid subscription.
Hard Constraints Checklist
- Open SourceYes
- Self-HostableNo
- Permanent Free TierYes
- Headquartered Outside USYes
- Zero Tracking / E2EEYes