57
mailrs-shield
v1.0.4 ExperimentalSMTP anti-spam primitives: DNS blocklist (DNSBL) queries, greylisting policy with optional Redis store, and PTR / forward-confirmed reverse DNS (FCrDNS) checks.
Apache-2.0 OR MIT Edition 2024
Quick Verdict
- ✓Actively maintained (updated 3d ago)
- ✓Permissive license (Apache-2.0 OR MIT)
Security
Checking security advisories...
Downloads
79
Dependents
0
Releases
5
Size
34KB
Deep Insights
📊
Download activity
79 downloads in the last 30 days (3/day avg).
👤
Prolific maintainer
The primary maintainer publishes 63 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
📐
Compact crate
At 33KB, mailrs-shield is lightweight. Small crate size correlates with focused, well-scoped functionality.
Health Breakdown
Maintenance 19/25
Recency, release consistency, active ratio
Quality 17/25
Yanked ratio, deps, size, maturity, features
Community 6/20
Reverse deps, ownership, ecosystem
Popularity 2/15
Downloads, momentum, growth trend
Documentation 13/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg
Version Adoption
v1.0.4
27%
v1.0.3
22%
v1.0.2
19%
v1.0.0
18%
v1.0.1
15%
Release Timeline
5 releasessince 2026
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Feature Flags
default =["redis-store"]
redis-store*
README
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Maintainers
Dependencies
6
direct dependencies
Dependents
0
crates depend on mailrs-shield