listmonk vs PostfixAdmin
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?
listmonk
Self-hosted newsletter and mailing list manager
VS
PostfixAdmin
Web interface for managing Postfix mail domains
| Feature | listmonk | PostfixAdmin |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | AGPL-3.0 | GPL-2.0 |
| Language | Go | PHP |
| Setup difficulty | Easy | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, binary, source | docker, bare-metal, source |
| GitHub stars | ★ 22,670 | ★ 1,251 |
| First released | 2020 | 2003 |
| Replaces | Mailchimp, Sendinblue | cPanel Email |
Why pick each one
Choose PostfixAdmin if…
- Released under the GPL-2.0 license
- First-class Docker support for quick deployment
- Active community (1.3k GitHub stars)
- Written in PHP
Frequently asked questions
Is listmonk or PostfixAdmin better?
listmonk is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider PostfixAdmin if its specific feature set fits your needs better.
Are listmonk and PostfixAdmin free and open-source?
Yes. listmonk is licensed under AGPL-3.0 and PostfixAdmin under GPL-2.0. Both can be self-hosted at no software cost.
Can I run listmonk and PostfixAdmin with Docker?
listmonk: yes. PostfixAdmin: yes.