listmonk vs OpenTrashmail
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
OpenTrashmail
Complete trashmail solution that exposes an SMTP server and has a web
| Feature | listmonk | OpenTrashmail |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | AGPL-3.0 | Apache-2.0 |
| Language | Go | PHP |
| Setup difficulty | Easy | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | docker, binary, source | docker |
| GitHub stars | ★ 22,670 | ★ 919 |
| First released | 2020 | 2020 |
| Replaces | Mailchimp, Sendinblue | — |
Why pick each one
Choose OpenTrashmail if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Written in PHP
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is listmonk or OpenTrashmail better?
listmonk is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider OpenTrashmail if its specific feature set fits your needs better.
Are listmonk and OpenTrashmail free and open-source?
Yes. listmonk is licensed under AGPL-3.0 and OpenTrashmail under Apache-2.0. Both can be self-hosted at no software cost.
Can I run listmonk and OpenTrashmail with Docker?
listmonk: yes. OpenTrashmail: yes.