Microsoft Exchange AlternativesOnly Self-Hosted apps categorised as Mail Servers

There are many alternatives to Microsoft Exchange as a self-hosted solution if you are looking for a replacement. The best Self-Hosted Mail Server alternative is mailcow: dockerized, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Microsoft Exchange and nine of them are Mail Servers available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted Mail Server alternatives to Microsoft Exchange are Zimbra Collaboration Suite, grommunio, Axigen and OX App Suite.

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Alternatives list

  1. Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.

    46 Zimbra Collaboration Suite alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
     
  2. grommunio icon
     3 likes

    grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
     
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  3. Axigen icon
     14 likes

    Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Microsoft Office Outlook
    • Software as a Service (SaaS)
     
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    1
  4. OX App Suite icon
     16 likes

    The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
  5. iRedMail icon
     20 likes

    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 support.

    Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.

    Works on both no.

    66 iRedMail alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Self-Hosted
     
  6. CrossBox icon
     1 like

    Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
     
  7. EGroupware icon
     9 likes

    Web-based team collaboration suite combining email client, calendar, contact and task tools, CRM, project and file management, file sharing, trouble tickets, Rocket.Chat chat, and Collabora online editing. Offers open source, self-hosted, and SaaS options.

    Cost / License

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
  8. iMail icon
     3 likes

    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 mail accounts, storage, attachment size, custom logo. Free for commercial use.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
    • Self-Hosted
     
9 of 9 Microsoft Exchange alternatives