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smtp-queue vs smtp-queue-types vs lettre

Side-by-side comparison of Rust crates

Core Metrics

smtp-queuesmtp-queue-typeslettre
Health Score343665
Total Downloads1.6K2.1K8.0M
30d Downloads418879.7K
Dependents013.5K
Releases1161
Last Updated1265d ago1265d ago170d ago
Age3y 5m3y 5m10y 5m

Health Breakdown

smtp-queue
Maintenance
1
Quality
14
Community
6
Popularity
4
Documentation
9
smtp-queue-types
Maintenance
1
Quality
15
Community
7
Popularity
4
Documentation
9
lettre
Maintenance
11
Quality
14
Community
20
Popularity
8
Documentation
12

Technical Details

smtp-queuesmtp-queue-typeslettre
Version0.1.00.1.00.11.19
Stable (≥1.0)✗ No✗ No✗ No
LicenseMIT OR Apache-2.0MIT OR Apache-2.0MIT
Dependencies7347
Crate Size6KB1KB159KB
Features0025
Yanked %0.0%0.0%0.0%
Edition201820182021
MSRV1.74
Owners112 (team)

Quick Verdict

  • lettre leads with a health score of 65/100, but none of the options score above 80.
  • lettre is depended on by 3.5K crates — strongest ecosystem trust.
  • ⚠ smtp-queue, smtp-queue-types have not been updated in over a year.