SnappyMail 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?
FeatureSnappyMailMailspring
CategoryMail ServersMail Servers
LicenseAGPL-3.0GPL-3.0
LanguagePHPJavaScript
Setup difficultyEasyEasy
Min. RAM128 MB512 MB
Deploymentdocker, bare-metal, sourcebinary, source
GitHub stars★ 1,670★ 17,730
First released20212017
ReplacesGmail, Outlook WebOutlook, Apple Mail

Why pick each one

Choose SnappyMail if…

  • Very lightweight
  • Actively maintained RainLoop fork
SnappyMail 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 SnappyMail or Mailspring better?

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

Are SnappyMail and Mailspring free and open-source?

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

Can I run SnappyMail and Mailspring with Docker?

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

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