Apache James vs mailcow
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?
Apache James
Enterprise mail server and SMTP/IMAP platform
VS
mailcow
Dockerized full-stack mail server suite
| Feature | Apache James | mailcow |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | Apache-2.0 | GPL-3.0 |
| Language | Java | JavaScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 6,144 MB |
| Deployment | docker, source | docker |
| GitHub stars | ★ 1,037 | ★ 13,245 |
| First released | 2003 | 2016 |
| Replaces | Microsoft Exchange | Microsoft Exchange, Google Workspace |
Why pick each one
Choose Apache James if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Active community (1k GitHub stars)
- Written in Java
Frequently asked questions
Is Apache James or mailcow better?
mailcow is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Apache James if its specific feature set fits your needs better.
Are Apache James and mailcow free and open-source?
Yes. Apache James is licensed under Apache-2.0 and mailcow under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Apache James and mailcow with Docker?
Apache James: yes. mailcow: yes.