Mailpile vs SimpleLogin

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?
FeatureMailpileSimpleLogin
CategoryMail ServersMail Servers
LicenseAGPL-3.0MIT
LanguagePythonPython
Setup difficultyMediumMedium
Min. RAM512 MB512 MB
Deploymentbare-metal, sourcedocker
GitHub stars★ 8,825★ 6,896
First released20132026
ReplacesGmail

Why pick each one

Choose Mailpile if…

  • Released under the AGPL-3.0 license
  • Mature project with 8.8k GitHub stars
  • Written in Python
  • Lightweight — runs in 512 MB RAM
Mailpile details

Choose SimpleLogin if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Mature project with 6.9k GitHub stars
  • Written in Python
SimpleLogin details

Frequently asked questions

Is Mailpile or SimpleLogin better?

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

Are Mailpile and SimpleLogin free and open-source?

Yes. Mailpile is licensed under AGPL-3.0 and SimpleLogin under MIT. Both can be self-hosted at no software cost.

Can I run Mailpile and SimpleLogin with Docker?

Mailpile: check the project docs for container support. SimpleLogin: yes.

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