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).
- 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!. View 41 alternatives to Cloudron
- Freemium • Open Source
- Linux
- Online
- Self-Hosted
Cloudron vs Mail-in-a-box
Cloudron is not an email server solutionNot a email server solutionit looks like a full on web control panel for hosting not e-mail specific..I didn't really realize I already had a full blown email solution when I installed Cloudron initially. Everything was already setup and ready to go! - 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. View 16 alternatives to mailcow: dockerized
- Free • Open Source
- Linux
- Self-Hosted
- Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. View 22 alternatives to Postfix
- 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. View 67 alternatives to iRedMail
- Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet. View 16 alternatives to Exim
- 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. View 12 alternatives to Modoboa
- Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP)... View 27 alternatives to Sendmail
- 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. View 4 alternatives to Mailu
- The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. View 12 alternatives to Courier-MTA
- Open source SMTP server written in Node.js. View 6 alternatives to Haraka