Tuta
🇩🇪 Germany, Hanover · Founded 2011
The first email provider to deploy post-quantum cryptography (TutaCrypt), encrypting even subject lines — something most competitors skip
Key Features
- Post-quantum encryption via TutaCrypt protocol (since March 2024), combining X25519 + Kyber-1024 and AES-256 to future-proof emails against quantum computing attacks
- Encrypts everything by default: email body, subject line, attachments, contacts, and calendar — subject line encryption is unique among major secure email providers
- Free tier includes 1 GB storage and 1 @tuta.com address; Revolutionary plan at EUR 3/month with 20 GB and 15 aliases; Unlimited plan at EUR 12/month with 1 TB and 30 aliases
- Fully encrypted calendar and address book built in; password-protected emails to non-Tuta recipients without requiring them to create an account
Replaces
GmailMicrosoft Outlook
At a Glance
Headquarters🇩🇪 Hanover, Germany
Founded2011
Open SourceYes
Free TierYes
GDPR CompliantYes
CategoryEmail Providers
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