Software Alternatives & Reviews


An open source mailserver suite.

mailcow Alternatives

The best mailcow alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. 68

    A fully fledged, free email server solution, an open source project (GPL v2).

    Open Source

  2. 74

    Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

    Open Source

  3. The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

    Visit website paid $19.5 / Monthly (Pro)

  4. 60

    Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

  5. 56

    Web-based IMAP email client

    Open Source

  6. 40

    Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.

  7. 36

    Mailu is a simple yet full-featured mail server as a set of Docker images.

  8. 40

    hMailServer is a free e-mail server for Microsoft Windows.

  9. 25

    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

  10. 35

    Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

  11. 38

    Full featured email server built in docker with free plan.

  12. FOSS Private Digital Workplace Email and Collaboration Platform

    Open Source free

  13. 21

    Self hosted modern mail server

    Open Source

  14. 24

    Postfix Admin is a web based interface used to manage mailboxes, virtual domains and aliases.

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