Mailman vs Sympa

A side-by-side comparison of two self-hosted mail servers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureMailmanSympa
CategoryMail ServersMail Servers
LicenseGPL-3.0GPL-2.0
LanguagePythonPerl
Setup difficultyHardHard
Min. RAM1,024 MB1,024 MB
Deploymentdocker, bare-metal, sourcedocker, bare-metal, source
GitHub stars★ 400★ 310
First released19981997
ReplacesGoogle GroupsGoogle Groups

Why pick each one

Choose Mailman if…

  • Industry-standard list software
  • Strong moderation tools
Mailman details

Choose Sympa if…

  • Handles very large list deployments
  • Mature and feature-rich
Sympa details

Frequently asked questions

Is Mailman or Sympa better?

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

Are Mailman and Sympa free and open-source?

Yes. Mailman is licensed under GPL-3.0 and Sympa under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Mailman and Sympa with Docker?

Mailman: yes. Sympa: yes.

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