Modoboa vs Mailspring

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?
FeatureModoboaMailspring
CategoryMail ServersMail Servers
LicenseISCGPL-3.0
LanguagePythonJavaScript
Setup difficultyMediumEasy
Min. RAM2,048 MB512 MB
Deploymentdocker, bare-metalbinary, source
GitHub stars★ 3,530★ 17,730
First released20102017
ReplacesGoogle Workspace, cPanel EmailOutlook, Apple Mail

Why pick each one

Choose Modoboa if…

  • Friendly management interface
  • Good monitoring features
Modoboa details

Choose Mailspring if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Mature project with 17.7k GitHub stars
  • Written in JavaScript
Mailspring details

Frequently asked questions

Is Modoboa or Mailspring better?

Mailspring is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Modoboa if its specific feature set fits your needs better.

Are Modoboa and Mailspring free and open-source?

Yes. Modoboa is licensed under ISC and Mailspring under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Modoboa and Mailspring with Docker?

Modoboa: yes. Mailspring: check the project docs for container support.

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