Decision Workspace
mailrs-smtp-client vs wasm-smtp-core vs wasm-smtp
Side-by-side comparison of Rust crates
56
mailrs-smtp-client
experimentalv1.1.0
Outbound SMTP client: MX resolution, DANE/STARTTLS, response parsing — async, transport-agnostic primitives for RFC 5321 senders.
56
wasm-smtp-core
experimentalv0.5.1
(Archived) Environment-independent SMTP client core for WASM and other constrained runtimes.
53
wasm-smtp
experimentalv0.15.1
Environment-independent SMTP client core for WASM and other constrained runtimes.
Core Metrics
| mailrs-smtp-client | wasm-smtp-core | wasm-smtp | |
|---|---|---|---|
| Health Score | 56 | 56 | 53 |
| Total Downloads | 97 | 84 | 594 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 6 | 5 | 58 |
| Releases | 5 | 6 | 16 |
| Last Updated | 2d ago | 27d ago | 15d ago |
| Age | 6d | 27d | 27d |
Health Breakdown
mailrs-smtp-client
Maintenance
19
Quality
14
Community
8
Popularity
2
Documentation
13
wasm-smtp-core
Maintenance
17
Quality
17
Community
8
Popularity
2
Documentation
12
wasm-smtp
Maintenance
12
Quality
15
Community
11
Popularity
3
Documentation
12
Technical Details
| mailrs-smtp-client | wasm-smtp-core | wasm-smtp | |
|---|---|---|---|
| Version | 1.1.0 | 0.5.1 | 0.15.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | Apache-2.0 | Apache-2.0 |
| Dependencies | 8 | 0 | 7 |
| Crate Size | 51KB | 54KB | 105KB |
| Features | 0 | 3 | 8 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.85 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailrs-smtp-client leads with a health score of 56/100, but none of the options score above 80.
- •wasm-smtp has the most downloads (594), suggesting wider adoption.
- •wasm-smtp-core, wasm-smtp are pre-1.0 — API may change.