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chasquiddocker-mailserver
Free

Free and open source under the Apache 2.0 licence.

 Free

Free and open source.

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

Checked October 2, 2026

Checked September 24, 2026

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