hMailServer: Open-source Mail server for Windows systems

Mail Servers is a software which handles incoming and outgoing mail messages. It often uses SMTP protocol to send and handle outgoing messages and IMAP and POP3 protocols to receive messages.

Although, we have a dozen of open-source mail servers for Linux servers, we don't have enough mail server packages for Windows. So, here we bring you the best one for Windows systems.

hMailServer is an open-source free mail server for Windows systems.

It natively supports SMTP, IMAP and POP3 protocols, and can easily seamlessly be integrated with other systems.

hMailServer comes with a built-in anti-spam protection features which include:

  1. SPF
  2. SURBL

It also can be integrated with third-party anti-spam solutions like SpamAssassin and ASSP. It also offers a ClamAV integration which is an open-source Antivirus system.

It plays well with the open-source Web admin panel: PHPWebAdmin and other open-source server dashboards.

Unlike many other mail servers servers, You can install it on a dynamic IP address or a static IP.


  1. Self-hosted
  2. Multi-accounts
  3. Installation wizard
  4. Simple configuration
  5. Webmail
  6. Port management
  7. Integrates with other software
  8. Supports POP3, SMTP and IMAP
  9. Virtual domain support
  10. SSL encryption
  11. Routing
  12. Anti-virus
  13. Anti-spam
  14. Multi-languages support
  15. SQL backend
  16. Web admin
  17. MX Backup
  18. Scripting
  19. Multihoming
  20. Built-in backup
  21. Domain management
  22. Logging
  23. IP Range
  24. Auto-ban
  25. Grey listing
  26. Rules manager
  27. Whitelisting
  28. COM API support
  29. Full documented
  30. pre-configured security
  31. Works smoothly with webmail and desktop mail clients


hMailServer is licensed under AGPLv3, which means you can use it for free, personal or commercial projects.


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