Self-Hosted ProtonMail Alternatives

    ProtonMail is not available as a self-hosted solution but there are a few alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Tutanota, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to ProtonMail and three of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to ProtonMail are NeutronMail (Free, Open Source) and LuxSci (Paid).

    The list of alternatives was last updated May 28, 2021


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    • Self-Hosted
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    • Apple Mail


    • Encrypted Email
    • Privacy focused
    • Support for IMAP
    • Privacy protection
    • End-to-End Encryption
    • Ad-free
    • Custom domain
    • POP3 Support
    • Web-Based
    • CardDAV
    • Calendar
    • Encryption
    • CalDAV
    • PGP Encryption
    • SMTP
    • Self destructing messages
    • Two factor authentication
    • Google Chrome Extensions
    • Anonymity
    • Integrated Spam Protection


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    • Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps. View 70 alternatives to Tutanota
      Almost everyone thinks Tutanota is a great alternative to ProtonMail.
      • FreemiumOpen Source
      • Online
      • Android
      • iPhone
      • iPad
      • Self-Hosted
      • F-Droid
      Tutanota vs ProtonMail
      pros, cons and recent comments
      Tutanota is a free and open source web-mail client that focuses on privacy. There's also an Android and an iOS app. All data is stored encrypted and can not be searched, i.e. for commercial usage. It offers dead easy end-to-end encryption. 1 GB of storage is free for everyone. We want to make a secure inbox easily available for everybody worldwide.
      Top positive comment  over 4 years ago

      Very similar in design and philosophy to Proton. Based in Germany.
      Top positive comment  over 5 years ago

      Tutanota does not allow immediate access. Must wait 48 hours to use.
      Top negative comment  about 1 year ago

      prechallenging_despitous Cheap easy to use good clint
      Positive comment 5 months ago

      Belsima Functions on secure browsers like Klar and Tor.
      Positive comment about 3 years ago

      Free and with best features
      Positive comment over 4 years ago

      Nearly as good as ProtonMail.
      Positive comment almost 5 years ago

    • Self-hosted server for the ProtonMail client. View 20 alternatives to NeutronMail


      No longer supported

      No screenshots yet
      • FreeOpen Source
      • Online
      • Self-Hosted

    • Providing HIPAA-compliant email, secure email & web services since 1999. Secure communications via email, text, chat, video, and web. View 29 alternatives to LuxSci
      • Mac
      • Windows
      • Online
      • Self-Hosted
    Showing 3 of 3 alternatives