SHSelfHostIndex

Stalwart Mail Server 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?
ST Stalwart Mail Server Modern all-in-one mail server in a single binary VS NE NeoMutt Feature-rich terminal email client
FeatureStalwart Mail ServerNeoMutt
CategoryMail ServersMail Servers
LicenseAGPL-3.0GPL-2.0
LanguageRustC
Setup difficultyMediumMedium
Min. RAM512 MB64 MB
Deploymentdocker, binary, bare-metalbinary, source
GitHub stars★ 14,059★ 3,799
First released20202016
ReplacesMicrosoft Exchange, Google WorkspaceMicrosoft Outlook

Why pick each one

Choose Stalwart Mail Server if…

  • Single modern binary
  • Strong security defaults
Stalwart Mail Server 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 Stalwart Mail Server or NeoMutt better?

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

Are Stalwart Mail Server and NeoMutt free and open-source?

Yes. Stalwart Mail Server is licensed under AGPL-3.0 and NeoMutt under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Stalwart Mail Server and NeoMutt with Docker?

Stalwart Mail Server: yes. NeoMutt: check the project docs for container support.

Related comparisons