✉️ Email Open source Privacy ★★★★★
Tutanota
German encrypted mail—including subject lines
Overview
Tuta (formerly Tutanota) is a Hanover-based encrypted email provider with broad metadata encryption and open-source clients.
Individuals and businesses operate under German data protection law with encrypted calendar included even on free plans.
No standard IMAP— you use Tuta apps or web—but metadata exposure is far smaller than Gmail.
Scores
Privacy 5/5
Ease of use 4/5
Features 3/5
Value 4/5
Gmail — comparison
You lose Gmail’s labels, filters, and search comfort but sharply reduce Google’s content and metadata analysis risk. Your account is fully independent of Google ID.
Pros
- ✓ Much narrower metadata exposure than Gmail
- ✓ Encrypted calendar on free tier
- ✓ Data centers run on 100% renewable energy
Cons & caveats
- − No IMAP—dedicated apps/web only
- − Gmail migration is more manual
- − Non-Tuta recipients receive TLS in transit only (plaintext at destination)
Best for
- Users who trust German/EU jurisdiction
- People who want subject-line privacy
- Simple encrypted mail plus calendar in one service
Not ideal for
- Outlook/Thunderbird IMAP workflows
- Business that requires SMTP integration with external tools
Specs
- Pricing
- Free + paid — Free: 1 GB, one address. Revolution from €3/month for aliases and custom domains. Business plans add admin features.
- Difficulty
- Easy
- Data location
- Germany (all data in German data centers).
- Platforms
- Web · Android · iOS · Windows · macOS · Linux
全体暗号化GDPR準拠カレンダー内蔵whitelabel for business
Migration from Gmail
- 1 Export Gmail mbox via Google Takeout
- 2 Import into Tuta (subjects are re-encrypted)
- 3 Set gradual forwarding and announce your new address
- 4 Verify recurring appointments and shared calendars after import
Setup steps
- 1 Register at tuta.com
- 2 Store recovery codes in a safe place
- 3 Set up desktop and mobile apps
- 4 Import or rebuild contacts