Cost / License
- Free
- Open Source
Application type
Platforms
- Online

Apps similar to iRedMail include mailcow: dockerized, which is free and open source. Other options are Cloud Mail, MyInfo, Mail-in-a-box and Nexmail. Mail Servers like iRedMail are a crowded field, with more than 50 alternatives for Windows, the web, Linux, self-hosting and Mac.

An enterprise application server that integrates information into a single workspace, integrates also a full mail server



OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.




Mulberry is a powerful, easy to use electronic mail (email) and calendar program that allows you to send, access, and manage email and calendars. Mulberry also helps you manage other related information, such as contact information.

Low cost, easy to use Email Server software for virtual, on-premise, or hosted deployments for companies that want control of their email. Integrated web-mail with doc sharing, Drop Box integration, client and server side encryption.




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.
mu is a tool for dealing with e-mail messages stored in the Maildir-format, on Unix-like systems. mu's main purpose is to help you to find the messages you need, quickly; in addition, it allows you to view messages, extract attachments, create new maildirs, …



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




Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI).
OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.


