Alertmanager vs Mailrise
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Alertmanager
Handles alerts from Prometheus with routing and silencing
VS
Mailrise
SMTP gateway that forwards email alerts to push services
| Feature | Alertmanager | Mailrise |
|---|---|---|
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | MIT |
| Language | Go | Python |
| Setup difficulty | Medium | Easy |
| Min. RAM | 64 MB | 64 MB |
| Deployment | docker, kubernetes, binary | docker |
| GitHub stars | ★ 8,572 | ★ 1,584 |
| First released | 2015 | 2021 |
| Replaces | PagerDuty, Opsgenie | PagerDuty |
Why pick each one
Choose Mailrise if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (1.6k GitHub stars)
Frequently asked questions
Is Alertmanager or Mailrise better?
Neither is universally better. Alertmanager has the larger community, while Mailrise is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Alertmanager and Mailrise free and open-source?
Yes. Alertmanager is licensed under Apache-2.0 and Mailrise under MIT. Both can be self-hosted at no software cost.
Can I run Alertmanager and Mailrise with Docker?
Alertmanager: yes. Mailrise: yes.