Tutanota (Tuta)
Turn ON privacy for free with secure emails, calendars & contacts.
Overview
Tuta (formerly Tutanota) is an open-source, end-to-end encrypted email service that focuses on security and privacy. It encrypts the entire mailbox, including emails, calendars, and contacts. Based in Germany, it operates under strict GDPR privacy regulations. Tuta is notable for its use of a proprietary encryption standard that includes post-quantum cryptography, aiming to future-proof its security.
✨ Key Features
- End-to-end encryption for emails, calendars, and contacts
- Post-quantum cryptography
- Open-source clients
- Anonymous sign-up (no phone number required)
- Custom domains for business
- Secure password-protected emails to external recipients
- Green energy powered servers
🎯 Key Differentiators
- Encrypts the entire mailbox, not just individual emails
- Post-quantum cryptography
- Completely open-source clients for all platforms
Unique Value: Tuta offers the most comprehensive encryption by securing the entire mailbox by default, combined with forward-thinking post-quantum cryptography.
🎯 Use Cases (4)
✅ Best For
- Human rights organizations protecting sensitive communications
- Businesses in the EU needing to adhere to strict GDPR standards
- Individuals seeking to de-Google and protect their digital privacy
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Users who heavily rely on IMAP/POP3 integration with third-party desktop clients (not supported)
🏆 Alternatives
Unlike Proton Mail which uses PGP, Tuta has developed its own encryption standard that also encrypts subject lines and is designed to be quantum-resistant.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Dedicated Support (Business plans tier)
🔒 Compliance & Security
💰 Pricing
✓ 14-day free trial
Free tier: 1 GB storage
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