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    Free iRedMail Alternatives

    The best free alternative to iRedMail is mailcow: dockerized, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to iRedMail and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to iRedMail are Mail-in-a-box (Free, Open Source), (Free), Zimbra Collaboration Suite (Freemium, Open Source) and Horde (Free, Open Source).

    This page was last updated Jan 21, 2022

    1. mailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration.
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      Almost everyone thinks mailcow: dockerized is a great alternative to iRedMail.
    2. Take back control of your email with this easy-to-deploy mail server in a box. Mail-in-a-Box turns a fresh cloud computer into a working mail server.
      Almost everyone thinks Mail-in-a-box is a great alternative to iRedMail.

    3. provides its users with an customized selection of unique domains to pair with their desired address at no cost.
      show more vs iRedMail opinions
      This alternative is disputed. is still a legitimate alternative to iRedMail, but it might have issues that some users think are important.
      Neoh This is a service. iRedMail is local software.
      Negative comment about 5 years ago

      It is a service and not locally hosted
      Negative comment almost 4 years ago

    4. 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.
      • FreeOpen Source
      • Online
      • Self-Hosted
      Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.
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    5. hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.
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    6. Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computers or on local area networks.
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      • FreeProprietary
      • Online
      • Android
      • iPhone
      • Blackberry
      • Android Tablet
      • Windows Phone
      • iPad
      • Kindle Fire
      Cozi is a free online calendar that helps families coordinate activities. See who needs to be where and when, be reminded of upcoming appointments, and print your calendar by week or month. Cozi is the easiest online calendar you'll ever use.
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    7. This program helps you organizing your dates and tasks and reminds you of upcoming events.
    8. OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
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    Showing 10 of 47 alternatives