Decision Workspace
mailrs-smtp-proto vs smtp-proto vs mailrs-imap-proto
Side-by-side comparison of Rust crates
56
mailrs-smtp-proto
experimentalv1.0.4
SMTP protocol parser, formatter, and session state machine (RFC 5321) — zero I/O, async-runtime-agnostic.
59
smtp-proto
growingv0.2.1
SMTP protocol parser
56
mailrs-imap-proto
experimentalv1.0.3
IMAP4rev1 protocol parser, response formatter, and sequence-set helpers (RFC 3501) — zero I/O.
Core Metrics
| mailrs-smtp-proto | smtp-proto | mailrs-imap-proto | |
|---|---|---|---|
| Health Score | 56 | 59 | 56 |
| Total Downloads | 80 | 412.8K | 62 |
| 30d Downloads | 0 | 24.8K | 0 |
| Dependents | 0 | 42 | 0 |
| Releases | 5 | 10 | 4 |
| Last Updated | 4d ago | 80d ago | 4d ago |
| Age | 6d | 3y 3m | 6d |
Health Breakdown
mailrs-smtp-proto
Maintenance
19
Quality
16
Community
6
Popularity
2
Documentation
13
smtp-proto
Maintenance
15
Quality
17
Community
10
Popularity
7
Documentation
10
mailrs-imap-proto
Maintenance
19
Quality
16
Community
6
Popularity
2
Documentation
13
Technical Details
| mailrs-smtp-proto | smtp-proto | mailrs-imap-proto | |
|---|---|---|---|
| Version | 1.0.4 | 0.2.1 | 1.0.3 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 2 | 2 | 1 |
| Crate Size | 39KB | 38KB | 33KB |
| Features | 0 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •smtp-proto leads with a health score of 59/100, but none of the options score above 80.
- •smtp-proto is pre-1.0 — API may change.