Decision Workspace
dmarcguard vs mailrs-postmaster vs mailrs-dmarc
Side-by-side comparison of Rust crates
47
dmarcguard
experimentalv0.0.2
Official Rust SDK for the DMARCguard API (https://dmarcguard.io) - DMARC, SPF, and DKIM monitoring and reporting.
48
mailrs-postmaster
experimentalv1.0.1
Email-domain DNS health checks: MX, SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI, DANE, PTR — async, zero I/O outside the resolver.
48
mailrs-dmarc
experimentalv2.0.0
DMARC (RFC 7489) aggregate report generation: result recording, XML report builder, report-mail formatter, rua extraction. Pluggable store trait with a Postgres reference impl.
Core Metrics
| dmarcguard | mailrs-postmaster | mailrs-dmarc | |
|---|---|---|---|
| Health Score | 47 | 48 | 48 |
| Total Downloads | 34 | 43 | 88 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 2 | 2 | 5 |
| Last Updated | 84d ago | 53d ago | 45d ago |
| Age | 2m | 1m | 1m |
Health Breakdown
dmarcguard
Maintenance
9
Quality
15
Community
6
Popularity
2
Documentation
15
mailrs-postmaster
Maintenance
11
Quality
16
Community
6
Popularity
2
Documentation
13
mailrs-dmarc
Maintenance
11
Quality
17
Community
5
Popularity
2
Documentation
13
Technical Details
| dmarcguard | mailrs-postmaster | mailrs-dmarc | |
|---|---|---|---|
| Version | 0.0.2 | 1.0.1 | 2.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 0 | 7 | 11 |
| Crate Size | 8KB | 33KB | 42KB |
| Features | 0 | 0 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.75 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailrs-postmaster leads with a health score of 48/100, but none of the options score above 80.
- •mailrs-dmarc has the most downloads (88), suggesting wider adoption.
- •dmarcguard is pre-1.0 — API may change.