Compare software

iRedMailPoste.io
Free

Free and open source, self-hosted.

 Freemium

Free for personal use with paid licensing for larger deployments.

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
  • Single Docker container simplifies deployment of a full mail stack
  • Includes web admin, webmail, and TLS handling out of the box
  • Requires server administration skills to deploy and maintain
  • Text-based installer is less approachable than fully containerized alternatives
  • Free tier is limited, with paid licensing for larger deployments
  • Requires Docker knowledge and a server to run
Self-hosted Self-hosted
Open source Closed 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.