Mail-in-a-Box vs meli

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?
FeatureMail-in-a-Boxmeli
CategoryMail ServersMail Servers
LicenseCC0-1.0GPL-3.0
LanguagePythonRust
Setup difficultyEasyMedium
Min. RAM1,024 MB64 MB
Deploymentbare-metal, one-clickbinary, source
GitHub stars★ 15,385★ 877
First released20142017
ReplacesGoogle Workspace, Microsoft 365Mutt, NeoMutt

Why pick each one

Choose Mail-in-a-Box if…

  • Very beginner-friendly
  • Opinionated, complete stack
Mail-in-a-Box details

Choose meli if…

  • Released under the GPL-3.0 license
  • Written in Rust
  • Tiny footprint — runs in 64 MB RAM
meli details

Frequently asked questions

Is Mail-in-a-Box or meli better?

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

Are Mail-in-a-Box and meli free and open-source?

Yes. Mail-in-a-Box is licensed under CC0-1.0 and meli under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Mail-in-a-Box and meli with Docker?

Mail-in-a-Box: check the project docs for container support. meli: check the project docs for container support.

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