Open Source Mail-in-a-box Alternatives

    The best open source alternative to Mail-in-a-box is Cloudron, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Mail-in-a-box and ten of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Mail-in-a-box are mailcow: dockerized (Free, Open Source), Postfix (Free, Open Source), iRedMail (Freemium, Open Source) and Exim (Free, Open Source).

    The list of alternatives was last updated Feb 25, 2019


    • Linux
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    • Email Server
    • Modular System
    • Support for Docker
    • SMTP
    • Variety
    • VPS Hosting
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    • Support for Javascript
    • LDAP Services
    • ActiveSync
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    • Automated deployment
    • Auto update
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    • Web service
    • Platform as a service
    • Privacy protection
    • Self hosted mail
    • Server Management


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    Showing 10 of 10 alternatives