Mail-in-a-box AlternativesMail Servers and other similar apps like Mail-in-a-box

Mail-in-a-box is described as 'Easy-to-deploy mail server' and is a Mail Server in the security & privacy category. There are more than 10 alternatives to Mail-in-a-box for a variety of platforms, including Linux, Self-Hosted, Mac, Windows and BSD apps. The best Mail-in-a-box alternative is mailcow: dockerized, which is both free and Open Source. Other great apps like Mail-in-a-box are Cloudron, Postfix, Cloud Mail and Nexmail.

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Alternatives list

  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.

    23 mailcow: dockerized alternatives

    Cost / License

    Platforms

    • Linux
    • Self-Hosted
     
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  2. Cloudron icon
     76 likes

    Cloudron is a complete solution for managing apps & users on your own server. Easily deploy production ready apps from the app library and keep them automatically up-to-date. It even comes with a built-in email server and web clients!.

    66 Cloudron alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Linux
    • Online
    • Self-Hosted
     
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  3. Postfix icon
     28 likes

    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by its former names VMailer and IBM Secure Mailer.

    26 Postfix alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Linux
     
  4. Cloud Mail icon
     2 likes

    Cloudflare Workers-based email solution providing multiple address generation, attachment storage via R2, responsive web interface, RBAC management, Resend bulk email, Telegram or third-party forwarding, verification code recognition, and ECharts analytics.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
     
  5. Nexmail icon
     3 likes

    NexMail is an open-source, modern webmail client designed for self-hosted email servers. Enjoy a clean, intuitive interface with powerful features for managing your emails efficiently.

    Cost / License

    Platforms

    • Self-Hosted
    • PHP
     
  6. Mail Server Builder empowers you to deploy a full-featured, unlimited self-hosted SMTP server effortlessly. Gain complete control over your email infrastructure, ensuring high deliverability and compliance without relying on third-party providers.

    6 Mail Server Builder alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
     
  7. hMail Server icon
     28 likes

    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.

    22 hMail Server alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
     
  8. 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
     
  9. Stalwart icon
     2 likes

    Stalwart is an open-core mail server solution with JMAP, IMAP4, POP3, and SMTP support and a wide range of modern features. It is written in Rust and designed to be secure, fast, robust and scalable.

    6 Stalwart alternatives

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    • Docker
    • Linux
    • Windows
    • Mac
     
  10. Modoboa icon
     10 likes

    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.

    13 Modoboa alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Self-Hosted
     
  11. Haraka icon
     3 likes

    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 full access to change the behaviour of the server.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Node.JS
     
  12. Exim icon
     11 likes

    Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Linux
     
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