# Stalwart Mail Server vs Traffic Source

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Stalwart Mail Server | Traffic Source |
|---|---|---|
| Score | 79/100 ✓ | 51/100 |
| Rank in category | #2 of 16 in Mail Server | #10 of 27 in Analytics |
| GitHub stars | 15 484 ✓ | 679 |
| Stars, last 30 days | +681 ✓ | +0 |
| Stable releases, 12 months | 31 ✓ | 0 |
| Latest release | v1.0.1 · 28 Oct 2026 | — |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | Yes ✓ | No |
| License | AGPL-3.0-only AND LicenseRef-SEL | MIT |
| Main language | Rust | JavaScript |

## Which one should you pick?

Stalwart Mail Server scores 79/100 against 51/100 for Traffic Source, so it is the safer default.

Stalwart Mail Server ships more often: 31 stable releases in the past year, against 0 for Traffic Source.

Stalwart Mail Server is growing faster right now (+681 stars in 30 days).

## Details

- [Stalwart Mail Server](https://selfhost.directory/project/stalwart-mail-server) (markdown: https://selfhost.directory/project/stalwart-mail-server.md)
- [Traffic Source](https://selfhost.directory/project/traffic-source) (markdown: https://selfhost.directory/project/traffic-source.md)

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Source: https://selfhost.directory/compare/stalwart-mail-server-vs-traffic-source