Decision Workspace
mailin vs mailsis-utils vs smtp_recv
Side-by-side comparison of Rust crates
45
mailin
growingv0.6.5
A library for writing SMTP servers
50
mailsis-utils
experimentalv0.2.4
Utilities for Mailsis.
49
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
| mailin | mailsis-utils | smtp_recv | |
|---|---|---|---|
| Health Score | 45 | 50 | 49 |
| Total Downloads | 113.2K | 181 | 1.6K |
| 30d Downloads | 6.6K | 0 | 0 |
| Dependents | 22 | 10 | 26 |
| Releases | 14 | 5 | 52 |
| Last Updated | 633d ago | 31d ago | 70d ago |
| Age | 7y 5m | 3m | 5m |
Health Breakdown
mailin
Maintenance
5
Quality
14
Community
10
Popularity
6
Documentation
10
mailsis-utils
Maintenance
16
Quality
13
Community
6
Popularity
3
Documentation
12
smtp_recv
Maintenance
15
Quality
12
Community
10
Popularity
4
Documentation
8
Technical Details
| mailin | mailsis-utils | smtp_recv | |
|---|---|---|---|
| Version | 0.6.5 | 0.2.4 | 0.1.65 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 | MulanPSL-2.0 |
| Dependencies | 5 | 16 | 32 |
| Crate Size | 13KB | 50KB | 55KB |
| Features | 0 | 3 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.83 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailsis-utils leads with a health score of 50/100, but none of the options score above 80.
- •mailin has the most downloads (113.2K), suggesting wider adoption.
- •⚠ mailin has not been updated in over a year.