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mailrs-spf
v1.0.4 ExperimentalRFC 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.
Apache-2.0 OR MIT Edition 2024
Quick Verdict
- ✓Actively maintained (updated 3d ago)
- ✓Permissive license (Apache-2.0 OR MIT)
Security
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Downloads
83
Dependents
0
Releases
5
Size
38KB
Deep Insights
📊
Download activity
83 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 37KB, mailrs-spf 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
v1.0.2
27%
v1.0.4
22%
v1.0.3
19%
v1.0.1
17%
v1.0.0
16%
Release Timeline
5 releasessince 2026
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Feature Flags
default =["hickory"]
hickory*
README
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Maintainers
Dependencies
5
direct dependencies
Dependents
0
crates depend on mailrs-spf