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mailrs-spf
v2.0.0 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 45d ago)
- ✓Permissive license (Apache-2.0 OR MIT)
Security
Checking security advisories...
Downloads
112
Dependents
0
Releases
6
Size
42KB
Deep Insights
📉
Download decline
14 downloads in the last 30 days, down 86% from the previous period. May indicate migration to alternatives.
👤
Prolific maintainer
The primary maintainer publishes 158 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
📐
Compact crate
At 41KB, mailrs-spf is lightweight. Small crate size correlates with focused, well-scoped functionality.
Health Breakdown
Maintenance 11/25
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
25%
v1.0.4
22%
v1.0.3
20%
v2.0.0
18%
v1.0.1
16%
Release Timeline
6 releasessince 2026
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Feature Flags
default =["hickory"]
hickory*
README
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Maintainers
Dependencies
8
direct dependencies
Dependents
0
crates depend on mailrs-spf