Backrest vs Restic Mailer
A side-by-side comparison of two self-hosted backup & recovery options — licensing, setup difficulty, resource needs, and what each one replaces.
Backrest
Web UI and orchestrator for Restic backups
VS
Restic Mailer
Notification wrapper for restic backup jobs
| Feature | Backrest | Restic Mailer |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 76 · Good |
| Category | Backup & Recovery | Backup & Recovery |
| License | GPL-3.0 | MIT |
| Language | TypeScript | Shell |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 64 MB |
| Deployment | docker, binary | docker, bare-metal |
| GitHub stars | ★ 7,389 | ★ 663 |
| First released | 2024 | 2018 |
| Replaces | Backblaze | Backblaze |
What are Backrest and Restic Mailer?
Backrest
Backrest is a web-based backup orchestrator built on top of Restic, adding scheduling, monitoring, and a friendly interface. It targets users who want Restic's power with a GUI. It is deployed via Docker or a binary.
- Web UI for Restic
- Scheduling and retention policies
- Backup health monitoring
- Notifications
Restic Mailer
A wrapper around restic that runs backups on schedule and emails detailed success or failure reports. It adds visibility to unattended restic deployments.
- Scheduled restic runs
- Email job reports
- systemd integration
- Unattended backups
Backrest vs Restic Mailer: key differences
Backrest is written in TypeScript, while Restic Mailer is built with Shell. Licensing differs — GPL-3.0 for Backrest versus MIT for Restic Mailer. Restic Mailer is the lighter option, starting around 64 MB of RAM against 256 MB for Backrest. Restic Mailer is the more established project (first released 2018), while Backrest arrived in 2024. Backrest has the considerably larger community, at 7,389 GitHub stars versus 663.
Why pick each one
Choose Backrest if…
- Makes Restic approachable
- Good scheduling
- Lightweight
Watch out for
- Young project
- Depends on Restic underneath
Choose Restic Mailer if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Written in Shell
Frequently asked questions
Is Backrest or Restic Mailer better?
Neither is universally better. Backrest has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Backrest and Restic Mailer free and open-source?
Yes. Backrest is licensed under GPL-3.0 and Restic Mailer under MIT. Both can be self-hosted at no software cost.
Can I run Backrest and Restic Mailer with Docker?
Backrest: yes. Restic Mailer: yes.
Which is lighter on resources, Backrest or Restic Mailer?
Restic Mailer has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for Backrest. Real-world usage depends on library size, user count, and enabled features.