Decision Workspace
mailrs-dnsbl vs mailrs-shield vs eatmail
Side-by-side comparison of Rust crates
51
mailrs-dnsbl
experimentalv1.0.0
RFC 5782 DNS-based blocklist lookup. Reverse-IPv4 + zone query + Spamhaus return-code interpretation + in-process TTL cache (positive + negative). Pairs with hickory-resolver for the DNS layer.
57
mailrs-shield
experimentalv1.0.4
SMTP anti-spam primitives: DNS blocklist (DNSBL) queries, greylisting policy with optional Redis store, and PTR / forward-confirmed reverse DNS (FCrDNS) checks.
36
eatmail
growingv0.2.1
Temporary e-mail server
Core Metrics
| mailrs-dnsbl | mailrs-shield | eatmail | |
|---|---|---|---|
| Health Score | 51 | 57 | 36 |
| Total Downloads | 23 | 79 | 7.8K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 1 | 0 | 0 |
| Releases | 1 | 5 | 6 |
| Last Updated | 3d ago | 3d ago | 1137d ago |
| Age | 3d | 5d | 3y 2m |
Health Breakdown
mailrs-dnsbl
Maintenance
13
Quality
16
Community
7
Popularity
2
Documentation
13
mailrs-shield
Maintenance
19
Quality
17
Community
6
Popularity
2
Documentation
13
eatmail
Maintenance
4
Quality
14
Community
3
Popularity
5
Documentation
10
Technical Details
| mailrs-dnsbl | mailrs-shield | eatmail | |
|---|---|---|---|
| Version | 1.0.0 | 1.0.4 | 0.2.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 3 | 6 | 6 |
| Crate Size | 27KB | 34KB | 14KB |
| Features | 0 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailrs-shield leads with a health score of 57/100, but none of the options score above 80.
- •eatmail has the most downloads (7.8K), suggesting wider adoption.
- •⚠ eatmail has not been updated in over a year.
- •eatmail is pre-1.0 — API may change.