Docker Mailserver vs Group-Office

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureDocker MailserverGroup-Office
CategoryMail ServersGroupware
LicenseMITAGPL-3.0
LanguageShellPHP
Setup difficultyMediumMedium
Min. RAM2,048 MB1,024 MB
Deploymentdockerdocker, bare-metal
GitHub stars★ 18,682★ 275
First released20152003
ReplacesGoogle Workspace, Microsoft 365Microsoft 365, Google Workspace

Why pick each one

Choose Docker Mailserver if…

  • Reproducible, version-controllable config
  • Lightweight
Docker Mailserver details

Choose Group-Office if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in PHP
Group-Office details

Frequently asked questions

Is Docker Mailserver or Group-Office better?

Neither is universally better. Docker Mailserver has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Docker Mailserver and Group-Office free and open-source?

Yes. Docker Mailserver is licensed under MIT and Group-Office under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Docker Mailserver and Group-Office with Docker?

Docker Mailserver: yes. Group-Office: yes.

Related comparisons