The Best 7 Mail-in-a-box Alternatives

  • mailcow: dockerized icon

    mailcow: dockerized

    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.

    Free Open Source Linux

  • iRedMail icon

    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 support. Easy, fast deployment in LESS THAN 1 MINUTE.

    Free Open Source Linux BSD Self-Hosted

  • Modoboa 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 a webmail. Modoboa is a modular tool.

    Free Open Source Linux Self-Hosted

  • Poste.io icon

    Poste.io

    Full featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.

    Free Personal Linux

  • Haraka 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