Decision Workspace
smtp_recv vs MailLaser vs wasm-smtp-tokio
Side-by-side comparison of Rust crates
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)
46
MailLaser
stablev2.0.0
An SMTP server that listens for incoming emails addressed to a specific recipient and forwards them as HTTP POST requests to a configured webhook.
53
wasm-smtp-tokio
experimentalv0.15.1
Tokio + rustls socket adapter for wasm-smtp.
Core Metrics
| smtp_recv | MailLaser | wasm-smtp-tokio | |
|---|---|---|---|
| Health Score | 49 | 46 | 53 |
| Total Downloads | 1.6K | 758 | 374 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 26 | 0 | 19 |
| Releases | 52 | 3 | 15 |
| Last Updated | 70d ago | 102d ago | 15d ago |
| Age | 5m | 1y 1m | 26d |
Health Breakdown
smtp_recv
Maintenance
15
Quality
12
Community
10
Popularity
4
Documentation
8
MailLaser
Maintenance
12
Quality
15
Community
6
Popularity
3
Documentation
10
wasm-smtp-tokio
Maintenance
12
Quality
16
Community
10
Popularity
3
Documentation
12
Technical Details
| smtp_recv | MailLaser | wasm-smtp-tokio | |
|---|---|---|---|
| Version | 0.1.65 | 2.0.0 | 0.15.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MulanPSL-2.0 | MIT | Apache-2.0 |
| Dependencies | 32 | 26 | 8 |
| Crate Size | 55KB | 79KB | 20KB |
| Features | 4 | 0 | 10 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •wasm-smtp-tokio leads with a health score of 53/100, but none of the options score above 80.
- •smtp_recv has the most downloads (1.6K), suggesting wider adoption.
- •smtp_recv, wasm-smtp-tokio are pre-1.0 — API may change.