Compare software

iRedMailModoboa
Free

Free and open source, self-hosted.

 Free

Free and open source, self-hosted.

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
  • Simplified web UI lowers the barrier to running a full mail platform
  • Open source and self-hosted, keeping mail data under your control
  • Requires server administration skills to deploy and maintain
  • Text-based installer is less approachable than fully containerized alternatives
  • 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
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 22, 2026

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