Decision Workspace
mailrs-dkim vs mail-send vs mailrs-spf
Side-by-side comparison of Rust crates
59
mailrs-dkim
experimentalv1.5.0
RFC 6376 DKIM signature verifier. Parses DKIM-Signature headers, applies simple/relaxed canonicalization, verifies rsa-sha256 signatures against the selector TXT record. Pluggable DNS via DkimResolver trait.
61
mail-send
growingv0.6.0
E-mail delivery library with SMTP and DKIM support
57
mailrs-spf
experimentalv1.0.4
RFC 7208 Sender Policy Framework verifier. Pure-Rust evaluator with a pluggable DNS resolver trait; ships an optional hickory-resolver-backed implementation. Bounded DNS-lookup limits + loop detection per spec.
Core Metrics
| mailrs-dkim | mail-send | mailrs-spf | |
|---|---|---|---|
| Health Score | 59 | 61 | 57 |
| Total Downloads | 144 | 420.1K | 83 |
| 30d Downloads | 0 | 22.1K | 0 |
| Dependents | 3 | 173 | 0 |
| Releases | 9 | 23 | 5 |
| Last Updated | 2d ago | 42d ago | 3d ago |
| Age | 3d | 3y 12m | 3d |
Health Breakdown
mailrs-dkim
Maintenance
19
Quality
16
Community
8
Popularity
3
Documentation
13
mail-send
Maintenance
16
Quality
17
Community
11
Popularity
7
Documentation
10
mailrs-spf
Maintenance
19
Quality
17
Community
6
Popularity
2
Documentation
13
Technical Details
| mailrs-dkim | mail-send | mailrs-spf | |
|---|---|---|---|
| Version | 1.5.0 | 0.6.0 | 1.0.4 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 10 | 15 | 5 |
| Crate Size | 57KB | 38KB | 38KB |
| Features | 2 | 12 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mail-send leads with a health score of 61/100, but none of the options score above 80.
- •mail-send is depended on by 173 crates — strongest ecosystem trust.
- •mail-send is pre-1.0 — API may change.