Decision Workspace
sawp-pop3 vs mailrs-smtp-proto vs mailrs-imap-proto
Side-by-side comparison of Rust crates
48
sawp-pop3
growingv0.13.1
SAWP Protocol Parser for POP3
56
mailrs-smtp-proto
experimentalv1.0.4
SMTP protocol parser, formatter, and session state machine (RFC 5321) — zero I/O, async-runtime-agnostic.
56
mailrs-imap-proto
experimentalv1.0.3
IMAP4rev1 protocol parser, response formatter, and sequence-set helpers (RFC 3501) — zero I/O.
Core Metrics
| sawp-pop3 | mailrs-smtp-proto | mailrs-imap-proto | |
|---|---|---|---|
| Health Score | 48 | 56 | 56 |
| Total Downloads | 212.7K | 80 | 62 |
| 30d Downloads | 19.2K | 0 | 0 |
| Dependents | 10 | 0 | 0 |
| Releases | 4 | 5 | 4 |
| Last Updated | 600d ago | 4d ago | 4d ago |
| Age | 3y 3m | 6d | 6d |
Health Breakdown
sawp-pop3
Maintenance
5
Quality
16
Community
11
Popularity
6
Documentation
10
mailrs-smtp-proto
Maintenance
19
Quality
16
Community
6
Popularity
2
Documentation
13
mailrs-imap-proto
Maintenance
19
Quality
16
Community
6
Popularity
2
Documentation
13
Technical Details
| sawp-pop3 | mailrs-smtp-proto | mailrs-imap-proto | |
|---|---|---|---|
| Version | 0.13.1 | 1.0.4 | 1.0.3 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 6 | 2 | 1 |
| Crate Size | 7KB | 39KB | 33KB |
| Features | 2 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •mailrs-smtp-proto leads with a health score of 56/100, but none of the options score above 80.
- •sawp-pop3 has the most downloads (212.7K), suggesting wider adoption.
- •⚠ sawp-pop3 has not been updated in over a year.
- •sawp-pop3 is pre-1.0 — API may change.