Maddy Mail Server vs SimpleLogin
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?
Maddy Mail Server
Composable, all-in-one mail server in Go
VS
SimpleLogin
Open source email alias solution to protect your email address
| Feature | Maddy Mail Server | SimpleLogin |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | GPL-3.0 | MIT |
| Language | Go | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, binary, source | docker |
| GitHub stars | ★ 6,060 | ★ 6,896 |
| First released | 2019 | 2026 |
| Replaces | Google Workspace, Microsoft 365 | — |
Why pick each one
Choose Maddy Mail Server if…
- Drastically simpler than traditional stacks
- Low resource use
Choose SimpleLogin if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 6.9k GitHub stars
- Written in Python
Frequently asked questions
Is Maddy Mail Server or SimpleLogin better?
Neither is universally better. SimpleLogin has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Maddy Mail Server and SimpleLogin free and open-source?
Yes. Maddy Mail Server is licensed under GPL-3.0 and SimpleLogin under MIT. Both can be self-hosted at no software cost.
Can I run Maddy Mail Server and SimpleLogin with Docker?
Maddy Mail Server: yes. SimpleLogin: yes.
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