Mailu vs emailwiz
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?
Mailu
Simple yet full-featured Docker mail server
VS
emailwiz
Script to deploy a full Postfix/Dovecot mail server
| Feature | Mailu | emailwiz |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | MIT | GPL-3.0 |
| Language | Python | Shell |
| Setup difficulty | Medium | Medium |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, kubernetes | bare-metal |
| GitHub stars | ★ 7,443 | ★ 2,161 |
| First released | 2016 | 2019 |
| Replaces | Google Workspace, Microsoft 365 | Google Workspace |
Why pick each one
Frequently asked questions
Is Mailu or emailwiz better?
Neither is universally better. Mailu has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Mailu and emailwiz free and open-source?
Yes. Mailu is licensed under MIT and emailwiz under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Mailu and emailwiz with Docker?
Mailu: yes. emailwiz: check the project docs for container support.