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.




WildDuck is described as 'Scalable no-SPOF IMAP/POP3 mail server. WildDuck uses a distributed database (sharded + replicated MongoDB) as a backend for storing all data, including emails' and is a Mail Server in the office & productivity category. There are eight alternatives to WildDuck for a variety of platforms, including Self-Hosted, Linux, Docker, Roundcube and BSD apps. The best WildDuck alternative is mailcow: dockerized, which is both free and Open Source. Other great apps like WildDuck are Mail-in-a-box, Stalwart, iRedMail and Mailu.
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.





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.

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.

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




Mox is a modern full-featured open source secure mail server for low-maintenance self-hosted email.



