Postal 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?
Postal
Complete mail delivery platform for outgoing email
VS
NeoMutt
Feature-rich terminal email client
| Feature | Postal | NeoMutt |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | MIT | GPL-2.0 |
| Language | Ruby | C |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 64 MB |
| Deployment | docker, bare-metal | binary, source |
| GitHub stars | ★ 16,724 | ★ 3,799 |
| First released | 2017 | 2016 |
| Replaces | SendGrid, Mailgun, Postmark | Microsoft Outlook |
Why pick each one
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
Frequently asked questions
Is Postal or NeoMutt better?
Neither is universally better. Postal has the larger community, while NeoMutt is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Postal and NeoMutt free and open-source?
Yes. Postal is licensed under MIT and NeoMutt under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Postal and NeoMutt with Docker?
Postal: yes. NeoMutt: check the project docs for container support.