Mailbox.org vs Startmail

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

Mailbox.org

Mailbox.org

Privacy-focused email with PGP support and cloud.

Startmail

Startmail

Private email from the creators of Startpage.

Rating4.2 (213 reviews)4.0 (532 reviews)
Pricing Modelpaidpaid
Starting PriceFrom $1/moFrom $3.67/mo
Best ForBest for users seeking privacy and security toolsBest for users seeking privacy and security tools
Free Tier
API Access
Team Features
Open Source
Tags——

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 →

Startmail

Pros

  • + IMAP support for standard email clients
  • + Unlimited aliases, including custom-domain aliases
  • + Password-protected encrypted messages for any recipient
  • + OpenPGP support for encryption and signing
  • + Header stripping removes IP and client details

Cons

  • - No POP3 support
  • - Can’t send encrypted mail from aliases
  • - Terms say cancellation doesn’t guarantee refunds
  • - Some indexing updates only while logged in
View full Startmailreview →

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