Postal 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?
Postal
Complete mail delivery platform for outgoing email
VS
emailwiz
Script to deploy a full Postfix/Dovecot mail server
| Feature | Postal | emailwiz |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | MIT | GPL-3.0 |
| Language | Ruby | Shell |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, bare-metal | bare-metal |
| GitHub stars | ★ 16,724 | ★ 2,161 |
| First released | 2017 | 2019 |
| Replaces | SendGrid, Mailgun, Postmark | Google Workspace |
Why pick each one
Frequently asked questions
Is Postal or emailwiz better?
Neither is universally better. Postal has the larger community, while emailwiz is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Postal and emailwiz free and open-source?
Yes. Postal is licensed under MIT and emailwiz under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Postal and emailwiz with Docker?
Postal: yes. emailwiz: check the project docs for container support.