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Self-Hosted Proton Mail Alternatives

Proton Mail 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 Proton Mail 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 Proton Mail are NeutronMail and LuxSci.

Proton Mail alternatives are mainly WebMail Providers but may also be Calendar Apps or Email Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Proton Mail.
This page was last updated Jun 16, 2022
Proton Mail
  663
  • Freemium • Open Source
  • Linux
  • Online
  • Android
  • iPhone
  • iPad
  • Tor

Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.

Learn more about Proton Mail

  1. 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.

    Tutanota vs Proton Mail opinions
    Almost everyone thinks Tutanota is a great alternative to Proton Mail.
     all • positive • negative      relevance • date
    Advik

    Tutanota is end-to-end encrypted, as well offers 1 GB mail storage on free plan. The pro plans are cheap compared to protonmail, so it's better for low budget users

    Top positive comment  5 months ago
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    2

    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 5 years ago
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    9
    UltraProgrammer

    Tutanota has historically been a lot more transparent, and arguably has been more honest about issues and plans

    Positive comment • 10 months ago
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    0
    android037

    I use both, ProtonMail is more secure but also more expensive and not as user-friendly. You cannot beat the price of Tutanota for service they provide.

    Positive comment • 10 months ago
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    0
    prechallenging_despitous

    Cheap easy to use good clint

    Positive comment • over 1 year ago
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    0

    Tutanota does not allow immediate access. Must wait 48 hours to use.

    Negative comment • about 2 years ago
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    -12
    Belsima

    Functions on secure browsers like Klar and Tor.

    Positive comment • about 4 years ago
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    9
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    7 of 10 comments

  2. NeutronMail

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    • Free • Open Source
    • Online
    • Self-Hosted

    Self-hosted server for the Proton Mail client.

    Discontinued

    No longer supported

    No screenshots yet

  4. LuxSci

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    • Mac
    • Windows
    • Online
    • Self-Hosted

    Providing HIPAA-compliant email, secure email & web services since 1999. Secure communications via email, text, chat, video, and web.

    No screenshots yet
Showing 3 of 3 alternatives