Decision Workspace
structured-email-address vs emailaddr vs mailchecker
Side-by-side comparison of Rust crates
57
structured-email-address
experimentalv0.0.14
RFC 5321/5322/6531 email address parser, validator, and normalizer. Subaddress extraction, provider-aware normalization, PSL domain validation, anti-homoglyph protection.
51
emailaddr
experimentalv0.1.1
Type-safe, zero-copy, validated email addresses with generic storage, IDNA domain support, and no_std/no-alloc compatibility.
61
mailchecker
stablev6.0.20
Cross-language temporary (disposable/throwaway) email detection library. Covers 2740 fake email providers.
Core Metrics
| structured-email-address | emailaddr | mailchecker | |
|---|---|---|---|
| Health Score | 57 | 51 | 61 |
| Total Downloads | 459 | 42 | 929.0K |
| 30d Downloads | 0 | 0 | 49.5K |
| Dependents | 0 | 0 | 77 |
| Releases | 14 | 2 | 141 |
| Last Updated | 5d ago | 13d ago | 129d ago |
| Age | 3m | 13d | 9y 5m |
Health Breakdown
structured-email-address
Maintenance
19
Quality
14
Community
6
Popularity
3
Documentation
15
emailaddr
Maintenance
13
Quality
15
Community
6
Popularity
2
Documentation
15
mailchecker
Maintenance
13
Quality
19
Community
11
Popularity
7
Documentation
11
Technical Details
| structured-email-address | emailaddr | mailchecker | |
|---|---|---|---|
| Version | 0.0.14 | 0.1.1 | 6.0.20 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 9 | 17 | 3 |
| Crate Size | 61KB | 53KB | 335KB |
| Features | 4 | 18 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | — |
| MSRV | 1.92 | 1.86 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailchecker leads with a health score of 61/100, but none of the options score above 80.
- •structured-email-address, emailaddr are pre-1.0 — API may change.