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docker-mailserverchasquid
Free

Free and open source.

 Free

Free and open source under the Apache 2.0 licence.

Linux, Self-hosted Linux, Self-hosted
  • Whole mail stack in one container
  • Built-in antispam and antivirus
  • Secure defaults that prevent open relays
  • Virtual domains with per-domain users and aliases
  • No webmail or graphical admin interface
  • Needs Docker and DNS knowledge to run well
  • Aimed at individuals and small groups rather than large deployments
  • Needs Dovecot or similar for mailbox access
Self-hosted Downloadable app, Self-hosted
Open source Open source
License not stated License: Apache-2.0
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.