Decision Workspace
email-transport vs mailchecker vs lettre
Side-by-side comparison of Rust crates
38
email-transport
experimentalv0.0.1
Email transport implementation
66
mailchecker
stablev6.0.20
Cross-language temporary (disposable/throwaway) email detection library. Covers 2740 fake email providers.
65
lettre
growingv0.11.19
Email client
Core Metrics
| email-transport | mailchecker | lettre | |
|---|---|---|---|
| Health Score | 38 | 66 | 65 |
| Total Downloads | 14 | 507.1K | 8.0M |
| 30d Downloads | 14 | 24.4K | 879.7K |
| Dependents | 0 | 61 | 3.5K |
| Releases | 1 | 141 | 61 |
| Last Updated | 24d ago | 21d ago | 170d ago |
| Age | 24d | 9y 2m | 10y 5m |
Health Breakdown
email-transport
Maintenance
11
Quality
14
Community
2
Popularity
1
Documentation
10
mailchecker
Maintenance
18
Quality
19
Community
11
Popularity
7
Documentation
11
lettre
Maintenance
11
Quality
14
Community
20
Popularity
8
Documentation
12
Technical Details
| email-transport | mailchecker | lettre | |
|---|---|---|---|
| Version | 0.0.1 | 6.0.20 | 0.11.19 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 1 | 3 | 47 |
| Crate Size | 3KB | 335KB | 159KB |
| Features | 0 | 0 | 25 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | — | 2021 |
| MSRV | — | — | 1.74 |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •mailchecker leads with a health score of 66/100, but none of the options score above 80.
- •lettre has the most downloads (8.0M), suggesting wider adoption.
- •lettre is depended on by 3.5K crates — strongest ecosystem trust.
- •email-transport, lettre are pre-1.0 — API may change.