What is mailcow?

mailcow: dockerized – the mailserver suite with the 'moo'. Docker-based mail server solution with SOGo webmail, Rspamd anti-spam, MariaDB, and full web admin UI. Active development with monthly updates (Moocember, Mooctober, Mootember...). Features include MTA-STS support, identity provider integration, full-text search. German-developed with active community. All components containerized for easy deployment and updates.

Key Features

✓Docker-based
✓SOGo webmail
✓Rspamd anti-spam
✓Postfix MTA
✓Dovecot IMAP
✓Web admin UI
✓ActiveSync
✓MTA-STS
✓DKIM/SPF/DMARC
✓MariaDB
✓German community
✓Monthly updates

🔒 Privacy & Data Protection

mailcow is developed in Germany and fully self-hosted. All email data stays on your Docker infrastructure. For organizations wanting Exchange alternatives with containerized deployment, mailcow delivers German engineering.

Best For

Docker mail serverSelf-hosted emailSmall business emailExchange alternativeGerman complianceContainerized mail

💰 Pricing

mailcow is completely free and open-source. Commercial support available from tinc (Germany).

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