Docker Mailserver vs NeoMutt

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?
FeatureDocker MailserverNeoMutt
CategoryMail ServersMail Servers
LicenseMITGPL-2.0
LanguageShellC
Setup difficultyMediumMedium
Min. RAM2,048 MB64 MB
Deploymentdockerbinary, source
GitHub stars★ 18,682★ 3,799
First released20152016
ReplacesGoogle Workspace, Microsoft 365Microsoft Outlook

Why pick each one

Choose Docker Mailserver if…

  • Reproducible, version-controllable config
  • Lightweight
Docker Mailserver details

Choose NeoMutt if…

  • Released under the GPL-2.0 license
  • Active community (3.8k GitHub stars)
  • Written in C
  • Tiny footprint — runs in 64 MB RAM
NeoMutt details

Frequently asked questions

Is Docker Mailserver or NeoMutt better?

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

Are Docker Mailserver and NeoMutt free and open-source?

Yes. Docker Mailserver is licensed under MIT and NeoMutt under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Docker Mailserver and NeoMutt with Docker?

Docker Mailserver: yes. NeoMutt: check the project docs for container support.

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