chasquid vs Mailspring
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?
| Feature | chasquid | Mailspring |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | Apache-2.0 | GPL-3.0 |
| Language | Go | JavaScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 128 MB | 512 MB |
| Deployment | docker, binary, source | binary, source |
| GitHub stars | ★ 977 | ★ 17,730 |
| First released | 2016 | 2017 |
| Replaces | Google Workspace | Outlook, Apple Mail |
Why pick each one
Choose chasquid if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Written in Go
- Tiny footprint — runs in 128 MB RAM
Choose Mailspring if…
- Released under the GPL-3.0 license
- Easy to set up — beginner-friendly
- Mature project with 17.7k GitHub stars
- Written in JavaScript
Frequently asked questions
Is chasquid or Mailspring better?
Mailspring is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider chasquid if its specific feature set fits your needs better.
Are chasquid and Mailspring free and open-source?
Yes. chasquid is licensed under Apache-2.0 and Mailspring under GPL-3.0. Both can be self-hosted at no software cost.
Can I run chasquid and Mailspring with Docker?
chasquid: yes. Mailspring: check the project docs for container support.