Mailpit 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?
Mailpit
Email and SMTP testing tool with web UI
VS
WildDuck
Scalable IMAP and POP3 mail server with REST API
| Feature | Mailpit | WildDuck |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | MIT | EUPL-1.2 |
| Language | Go | JavaScript |
| Setup difficulty | Easy | Hard |
| Min. RAM | 64 MB | 1,024 MB |
| Deployment | docker, binary | docker, bare-metal |
| GitHub stars | ★ 10,067 | ★ 2,107 |
| First released | 2022 | 2017 |
| Replaces | Mailtrap, MailHog | Microsoft Exchange, Gmail |
Why pick each one
Frequently asked questions
Is Mailpit or WildDuck better?
Mailpit is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider WildDuck if its specific feature set fits your needs better.
Are Mailpit and WildDuck free and open-source?
Yes. Mailpit is licensed under MIT and WildDuck under EUPL-1.2. Both can be self-hosted at no software cost.
Can I run Mailpit and WildDuck with Docker?
Mailpit: yes. WildDuck: yes.