Maddy Mail Server 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?
FeatureMaddy Mail ServerMailspring
CategoryMail ServersMail Servers
LicenseGPL-3.0GPL-3.0
LanguageGoJavaScript
Setup difficultyMediumEasy
Min. RAM256 MB512 MB
Deploymentdocker, binary, sourcebinary, source
GitHub stars★ 6,060★ 17,730
First released20192017
ReplacesGoogle Workspace, Microsoft 365Outlook, Apple Mail

Why pick each one

Choose Maddy Mail Server if…

  • Drastically simpler than traditional stacks
  • Low resource use
Maddy Mail Server 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 Maddy Mail Server or Mailspring better?

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

Are Maddy Mail Server and Mailspring free and open-source?

Yes. Maddy Mail Server is licensed under GPL-3.0 and Mailspring under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Maddy Mail Server and Mailspring with Docker?

Maddy Mail Server: yes. Mailspring: check the project docs for container support.

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