Docker Mailserver vs WildDuck
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?
Docker Mailserver
Production-ready, config-driven mail server in a container
VS
WildDuck
Scalable IMAP and POP3 mail server with REST API
| Feature | Docker Mailserver | WildDuck |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | MIT | EUPL-1.2 |
| Language | Shell | JavaScript |
| Setup difficulty | Medium | Hard |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker | docker, bare-metal |
| GitHub stars | ★ 18,682 | ★ 2,107 |
| First released | 2015 | 2017 |
| Replaces | Google Workspace, Microsoft 365 | Microsoft Exchange, Gmail |
Why pick each one
Choose Docker Mailserver if…
- Reproducible, version-controllable config
- Lightweight
Frequently asked questions
Is Docker Mailserver or WildDuck better?
Docker Mailserver is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider WildDuck if its specific feature set fits your needs better.
Are Docker Mailserver and WildDuck free and open-source?
Yes. Docker Mailserver is licensed under MIT and WildDuck under EUPL-1.2. Both can be self-hosted at no software cost.
Can I run Docker Mailserver and WildDuck with Docker?
Docker Mailserver: yes. WildDuck: yes.