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Maddy Mail Server

Self-hostedOpen sourceCommunication

All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon.

6,117 stars

Website Source code

Licence
GPL-3.0
Platforms
Go
Themes
Communication - Email - Complete Solutions
Release
v0.9.6 · 3 October 2026
Last activity
27 October 2026
Spotted on
awesome-selfhosted

Same orbit

28

Mattermost

Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack).

Self-hostedFreeCommunication

39,454 stars

Visit Discussion awesome-selfhosted