mailcow
A Docker Compose mail/groupware suite with managed Postfix, Dovecot, filtering, and administration components. Operate the assembled stack through its supported configuration and recovery paths.
Start with the first guide, then choose a sending, receiving, or feedback task. Each walkthrough identifies permissions, operational checks, and the boundary between the service and MailKite. Refer to the official mailcow documentation for current platform requirements.
Explore the guides
Install mailcow as an integrated Compose mail suite
Check host/DNS requirements, generate the supported configuration, and secure the administration surface before importing mailboxes.
Configure mailcow domains, mailboxes, and application submission
Use suite-managed domain/account settings and verify aliases, sender permissions, signing, and client access independently.
Back up and restore mailcow with its supported helper
Capture the right suite components, retain configuration and encryption material, and test restoration before relying on scheduled backups.