Decision Workspace
sendgrid-wasi vs mailchecker vs lettre
Side-by-side comparison of Rust crates
36
sendgrid-wasi
growingv0.19.2
An unofficial client library for the SendGrid API
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
| sendgrid-wasi | mailchecker | lettre | |
|---|---|---|---|
| Health Score | 36 | 66 | 65 |
| Total Downloads | 2.2K | 507.1K | 8.0M |
| 30d Downloads | 3 | 24.4K | 879.7K |
| Dependents | 0 | 61 | 3.5K |
| Releases | 1 | 141 | 61 |
| Last Updated | 863d ago | 21d ago | 170d ago |
| Age | 2y 4m | 9y 2m | 10y 5m |
Health Breakdown
sendgrid-wasi
Maintenance
1
Quality
16
Community
2
Popularity
4
Documentation
13
mailchecker
Maintenance
18
Quality
19
Community
11
Popularity
7
Documentation
11
lettre
Maintenance
11
Quality
14
Community
20
Popularity
8
Documentation
12
Technical Details
| sendgrid-wasi | mailchecker | lettre | |
|---|---|---|---|
| Version | 0.19.2 | 6.0.20 | 0.11.19 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 7 | 3 | 47 |
| Crate Size | 22KB | 335KB | 159KB |
| Features | 3 | 0 | 25 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | — | 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.
- •⚠ sendgrid-wasi has not been updated in over a year.
- •sendgrid-wasi, lettre are pre-1.0 — API may change.