Alternatives to Mail-in-a-box for all platforms with any license

  • Roundcube

    Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client...

    Free Open Source Self-Hosted PHP Cloudron

    Hostable PGP Encryption Add a feature

    Roundcube icon
    • Roundcube is a webmail app, mail in a box is a complete mail server that includes roundcube Guest • Jun 2018 Disagree   Agree

  • 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

    No features added Add a feature

    iRedMail icon

  • Modoboa

    Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface . It provides useful components such as an administration panel or...

    Free Open Source Linux Self-Hosted

    Modular System Add a feature

    Modoboa icon

  • Haraka

    Haraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin system allowing Javascript programmers...

    Free Open Source Self-Hosted Node.JS

    Support for Javascript Add a feature

    Haraka icon

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