Decision Workspace
vsmtp-server vs vsmtp vs smtp_recv
Side-by-side comparison of Rust crates
55
vsmtp-server
growingv2.2.1
Next-gen MTA. Secured, Faster and Greener
55
vsmtp
growingv2.2.1
Next-gen Mail Transfer Agent (MTA) written in Rust.
52
smtp_recv
experimentalv0.1.65
Dual-port SMTP server: Secure submission (465) & Inbound forwarding (25) / 双端口 SMTP 服务：安全提交 (465) 与入站转发 (25)
Core Metrics
| vsmtp-server | vsmtp | smtp_recv | |
|---|---|---|---|
| Health Score | 55 | 55 | 52 |
| Total Downloads | 44.2K | 40.6K | 1.2K |
| 30d Downloads | 61 | 40 | 91 |
| Dependents | 36 | 0 | 25 |
| Releases | 38 | 36 | 52 |
| Last Updated | 1092d ago | 1092d ago | 11d ago |
| Age | 3y 10m | 3y 10m | 3m |
Health Breakdown
vsmtp-server
Maintenance
7
Quality
16
Community
11
Popularity
6
Documentation
15
vsmtp
Maintenance
7
Quality
20
Community
7
Popularity
6
Documentation
15
smtp_recv
Maintenance
18
Quality
12
Community
10
Popularity
4
Documentation
8
Technical Details
| vsmtp-server | vsmtp | smtp_recv | |
|---|---|---|---|
| Version | 2.2.1 | 2.2.1 | 0.1.65 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | GPL-3.0-only | GPL-3.0-only | MulanPSL-2.0 |
| Dependencies | 37 | 24 | 32 |
| Crate Size | 24KB | 32KB | 55KB |
| Features | 0 | 6 | 4 |
| 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-server leads with a health score of 55/100, but none of the options score above 80.
- •⚠ vsmtp-server, vsmtp have not been updated in over a year.
- •smtp_recv is pre-1.0 — API may change.