Tutanota vs Mailbox.org

A detailed comparison to help you choose between Tutanota and Mailbox.org.

Tutanota

Tutanota

Encrypted email with E2E encryption for emails and calendars.

Mailbox.org

Mailbox.org

Privacy-focused email with PGP support and cloud.

Rating4.3 (64 reviews)4.2 (213 reviews)
Pricing Modelfreemiumpaid
Starting PriceFrom $0/moFrom $1/mo
Best ForBest for users needing encrypted email communicationBest for users seeking privacy and security tools
Free Tier
API Access
Team Features
Open Source
Tags——

Tutanota

Pros

  • + End-to-end encryption integrated across apps
  • + Open-source web, desktop, and mobile clients
  • + Encrypted local search index, not server-side
  • + Transparent reporting on legal requests
  • + No IMAP by design reduces server-side exposure

Cons

  • - No IMAP/POP support for third-party clients
  • - Not PGP-based; limited external interoperability
  • - Plaintext emails can be monitored under court order
  • - Refund process can require separate revocation step
View full Tutanotareview →

Mailbox.org

Pros

  • + Works with IMAP/SMTP/POP3 and CalDAV/CardDAV
  • + Tiered plans include Drive, Office, and Meet
  • + Publishes transparency reports on authority requests
  • + Supports many aliases and custom domains on paid tiers
  • + Drops obsolete TLS versions; modern baseline security

Cons

  • - No free plan; paid service even for basics
  • - YubiKey support reportedly broken with Login 2.0
  • - Not fully open source, per third-party review
  • - ActiveSync has documented limitations vs open protocols
View full Mailbox.orgreview →

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