Mailpile vs Himalaya

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?
FeatureMailpileHimalaya
CategoryMail ServersMail Servers
LicenseAGPL-3.0MIT
LanguagePythonRust
Setup difficultyMediumMedium
Min. RAM512 MB64 MB
Deploymentbare-metal, sourcebinary, source
GitHub stars★ 8,825★ 6,962
First released20132021
ReplacesGmailMutt, Outlook

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 Himalaya if…

  • Released under the MIT license
  • Mature project with 7k GitHub stars
  • Written in Rust
  • Tiny footprint — runs in 64 MB RAM
Himalaya details

Frequently asked questions

Is Mailpile or Himalaya 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 Himalaya free and open-source?

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

Can I run Mailpile and Himalaya with Docker?

Mailpile: check the project docs for container support. Himalaya: check the project docs for container support.

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