Compare software

iRedMaildocker-mailserver
Free

Free and open source, self-hosted.

 Free

Free and open source.

Linux, Self-hosted Linux, Self-hosted
  • Long-established project with broad Linux and BSD distribution support
  • Automates installation of a full mail stack in one script
  • Whole mail stack in one container
  • Built-in antispam and antivirus
  • Requires server administration skills to deploy and maintain
  • Text-based installer is less approachable than fully containerized alternatives
  • No webmail or graphical admin interface
  • Needs Docker and DNS knowledge to run well
Self-hosted Self-hosted
Open source Open source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 24, 2026

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