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Tutanota

German encrypted email service with a focus on privacy, sustainability, and open-source development.

9/10
Open Source freemium
Replaces Google:
gmail

Overview

Tutanota is a German encrypted email provider that takes privacy to the extreme. Unlike other services, Tutanota encrypts not just the email body but also subject lines and contacts—a unique feature in the industry.

Founded in 2011 in Hanover, Germany, Tutanota operates under strict German and EU privacy laws (GDPR). The company is committed to sustainability and runs on 100% renewable energy.

Key Features

Subject Line Encryption

Most encrypted email services only encrypt the message body. Tutanota encrypts everything, including subject lines, preventing metadata analysis.

Built-in Encrypted Calendar

Tutanota includes a fully encrypted calendar at no extra cost, making it easy to replace both Gmail and Google Calendar in one switch.

Custom Domain Support

Paid plans support custom domains with full encryption, perfect for businesses wanting branded email addresses.

Privacy & Security

Tutanota uses AES-256 and RSA-2048 encryption with perfect forward secrecy. All code is open source and has been audited. They cannot decrypt your data even if legally compelled.

Getting Started

  1. Visit tutanota.com and sign up for a free account
  2. Download the desktop and mobile apps
  3. Use the import feature to bring over your Gmail contacts
  4. Note: Email import requires manual forwarding due to encryption

Who Is It Best For?

Tutanota is perfect for users who want maximum privacy at an affordable price, especially those who also need a private calendar. It’s ideal for privacy enthusiasts willing to adapt to a closed ecosystem.

Final Verdict

Tutanota offers excellent privacy at a lower price point than competitors. The trade-off is less flexibility with third-party apps, but for pure privacy, it’s hard to beat.

Pros & Cons

Pros

  • Encrypts subject lines (unique feature)
  • More affordable than competitors
  • Calendar included with encryption
  • Carbon neutral operations
  • No tracking whatsoever

Cons

  • No IMAP/SMTP support
  • Must use their apps exclusively
  • Smaller ecosystem than ProtonMail

Compare Tutanota

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