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, hMail Server and Mail Server Builder.
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.
Most users think mailcow: dockerized is a great Mail-in-a-box alternative.
mailcow: dockerized is the most popular Linux & Self-Hosted alternative to Mail-in-a-box.
mailcow: dockerized is the most popular Open Source & free alternative to Mail-in-a-box.
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!.
it looks like a full on web control panel for hosting not e-mail specific..
Not a email server solution
This alternative is disputed. Cloudron is a legitimate Mail-in-a-box alternative, but it might have issues that some users think are important.
Cloudron is the most popular Web-based alternative to Mail-in-a-box.
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.
Postfix is the most popular Mac alternative to Mail-in-a-box.
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.
hMail Server is the most popular Windows alternative to Mail-in-a-box.
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.
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.
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.
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.
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.
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
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.
Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions.
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Cloudron is not an email server solution