Himalaya 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?
FeatureHimalayaSimpleLogin
CategoryMail ServersMail Servers
LicenseMITMIT
LanguageRustPython
Setup difficultyMediumMedium
Min. RAM64 MB512 MB
Deploymentbinary, sourcedocker
GitHub stars★ 6,962★ 6,896
First released20212026
ReplacesMutt, Outlook

Why pick each one

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

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 Himalaya or SimpleLogin better?

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

Are Himalaya and SimpleLogin free and open-source?

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

Can I run Himalaya and SimpleLogin with Docker?

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

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