Running your own mail server used to be a nightmare of configuration files, security patches, and spam filters. mailcow changes that equation entirely - it’s a complete, production-ready mail infrastructure wrapped in Docker containers with automatic SSL, built-in antivirus, spam filtering, and a gorgeous web interface that actually makes sense.

Under the hood, you get battle-tested components: Postfix for SMTP, Dovecot for IMAP, SOGo for webmail and calendars, ClamAV for virus scanning, and Rspamd for intelligent spam filtering. But here’s the kicker - it all deploys with a single docker-compose command and manages itself. ACME handles your SSL certificates, the admin panel gives you granular control over domains and users, and updates happen without breaking your setup.

With 12K+ GitHub stars and active community support, this isn’t some weekend project - it’s enterprise-grade mail infrastructure that scales from personal use to business deployments. The emoji-filled documentation and ‘moo’ references might seem playful, but the engineering underneath is rock solid.


Stars: 12129
💻 Language: JavaScript
🔗 Repository: mailcow/mailcow-dockerized