Tau OSTauMail
Private email that puts you in control. End-to-end encryption, zero tracking, and complete privacy by design.
@tauos.org Email • 100% Encrypted • Zero Data Access
Download TauMail
Windows
Windows 10/11 (64-bit)
macOS
macOS 10.15+ (Intel & Apple Silicon)
Linux
Ubuntu, Debian, Fedora, Arch
Mobile
iOS & Android (Coming Soon)
Desktop apps will be available via OTA updates. Web version available now.
50K+
Active Users
99.9%
Uptime
Zero
Data Collection
Privacy by Design
Every feature is built with your privacy and security as the foundation.
End-to-End Encryption
Your emails are encrypted from sender to recipient with military-grade security.
Zero-Knowledge Architecture
We can't read your emails even if we wanted to. Your privacy is absolute.
No Tracking
No ads, no tracking, no data collection. Just pure email communication.
Open Standards
Built on IMAP/SMTP standards. Use any email client you prefer.