Alternatives to Microsoft Exchange Server for Self-hosting with Free License

  • iRedMail

    A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD distributions, with both i386 and x86_64...

    Free Open Source Linux BSD Self-Hosted

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    iRedMail icon
  • iMail

    Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited...

    Free Windows Self-Hosted

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    iMail icon
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Platforms

Desktop

Web / Online

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