Decision Workspace
vsmtp-common vs vsmtp vs mail-send
Side-by-side comparison of Rust crates
60
vsmtp-common
growingv2.2.1
Next-gen MTA. Secured, Faster and Greener
55
vsmtp
growingv2.2.1
Next-gen Mail Transfer Agent (MTA) written in Rust.
56
mail-send
growingv0.5.2
E-mail delivery library with SMTP and DKIM support
Core Metrics
| vsmtp-common | vsmtp | mail-send | |
|---|---|---|---|
| Health Score | 60 | 55 | 56 |
| Total Downloads | 57.4K | 40.6K | 375.4K |
| 30d Downloads | 196 | 40 | 26.7K |
| Dependents | 297 | 0 | 165 |
| Releases | 43 | 36 | 22 |
| Last Updated | 1092d ago | 1092d ago | 194d ago |
| Age | 3y 10m | 3y 10m | 3y 10m |
Health Breakdown
vsmtp-common
Maintenance
7
Quality
18
Community
14
Popularity
6
Documentation
15
vsmtp
Maintenance
7
Quality
20
Community
7
Popularity
6
Documentation
15
mail-send
Maintenance
11
Quality
17
Community
11
Popularity
7
Documentation
10
Technical Details
| vsmtp-common | vsmtp | mail-send | |
|---|---|---|---|
| Version | 2.2.1 | 2.2.1 | 0.5.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | GPL-3.0-only | GPL-3.0-only | Apache-2.0 OR MIT |
| Dependencies | 27 | 24 | 15 |
| Crate Size | 29KB | 32KB | 40KB |
| Features | 2 | 6 | 12 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.66.1 | 1.66.1 | — |
| Owners | 2 | 2 | 1 |
Links
Quick Verdict
- •vsmtp-common leads with a health score of 60/100, but none of the options score above 80.
- •mail-send has the most downloads (375.4K), suggesting wider adoption.
- •vsmtp-common is depended on by 297 crates — strongest ecosystem trust.
- •⚠ vsmtp-common, vsmtp have not been updated in over a year.
- •mail-send is pre-1.0 — API may change.