Alternatives to Atmail Email Server for Linux with any license

Platforms

Show 22 less popular platforms
  • Mailpile icon

    Mailpile

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and...

    Open Source Mac Windows Linux Web / Cloud Self-Hosted

  • G Suite icon

    G Suite

    G Suite (formerly Google Apps for Work) is Google's encompassing selection of cloud apps for business, including customizable products under custom domain names. It...

    Commercial Mac Windows Linux Web / Cloud Chrome OS

  • Zimbra Desktop icon

    Zimbra Desktop

    The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud...

    Free Personal Mac Windows Linux

    No features added Add a feature
  • Sendmail icon

    Sendmail

    Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol...

    Open Source Mac Linux

    No features added Add a feature
  • Simple Mail icon

    Simple Mail

    Simple Mail is a mail client for Firefox. It allows you to get notified, read and write messages for multiple email accounts inside Firefox. Usage: Configure one or...

    Free Mac Windows Linux Firefox

    No features added Add a feature
  • Citadel

    Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In order to modernize the Citadel...

    Open Source Linux Web / Cloud

  • OBM icon

    OBM

    OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.

    Open Source Mac Windows Linux

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  • atmail icon

    atmail

    Atmail allows you to choose between on-premises or cloud deployment. Features include email, contact, calendar, task, storage, synchronisation and provisioning. ...

    Commercial Mac Windows Linux Android iPhone ... Android Tablet iPad

  • PowerMTA icon

    PowerMTA

    Email gateway application (SMTP server) that makes it easy for senders to adopt the latest authentication specifications ( SPF and DKIM) to comply with changing ISP...

    Commercial Windows Linux Self-Hosted

    No features added Add a feature
  • nvlope icon

    nvlope

    Simple and minimal email with custom domain and own API.

    Commercial Mac Windows Linux

    No features added Add a feature
    • Discontinued Website down, twitter deleted.