Compare software

docker-mailserverModoboa
Free

Free and open source.

 Free

Free and open source, self-hosted.

Linux, Self-hosted Linux, Self-hosted
  • Whole mail stack in one container
  • Built-in antispam and antivirus
  • Simplified web UI lowers the barrier to running a full mail platform
  • Open source and self-hosted, keeping mail data under your control
  • No webmail or graphical admin interface
  • Needs Docker and DNS knowledge to run well
  • Requires a Linux server to install and maintain
  • Smaller community than some larger self-hosted mail projects
Self-hosted Self-hosted
Open source Open source
License not stated License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

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