Mautic vs MailCatcher
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?
Mautic
Open-source marketing automation platform
VS
MailCatcher
Catch-all SMTP server for inspecting test email
| Feature | Mautic | MailCatcher |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | GPL-3.0 | MIT |
| Language | PHP | Ruby |
| Setup difficulty | Hard | Easy |
| Min. RAM | 2,048 MB | 128 MB |
| Deployment | docker, bare-metal, source | docker, binary, source |
| GitHub stars | ★ 10,305 | ★ 6,774 |
| First released | 2014 | 2010 |
| Replaces | HubSpot, Marketo, Mailchimp | Mailtrap |
Why pick each one
Choose MailCatcher if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 6.8k GitHub stars
Frequently asked questions
Is Mautic or MailCatcher better?
Neither is universally better. Mautic has the larger community, while MailCatcher is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Mautic and MailCatcher free and open-source?
Yes. Mautic is licensed under GPL-3.0 and MailCatcher under MIT. Both can be self-hosted at no software cost.
Can I run Mautic and MailCatcher with Docker?
Mautic: yes. MailCatcher: yes.