lettre
v0.11.22 GrowingEmail client
Quick Verdict
- ✓Actively maintained (updated 60d ago)
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (5.6K crates depend on it)
- ✓Team maintained (2 owners)
- !Heavy dependency tree (46 direct deps)
Security
Deep Insights
1.6M downloads in the last 30 days (51.7K/day). Volume is roughly flat compared to the previous period.
5.6K crates depend on lettre. Strong ecosystem adoption means battle-tested code and long-term stability.
This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.
Despite being 10+ years old, lettre hasn't reached 1.0 yet. Expect potential API changes between versions.
46 direct dependencies. Consider the impact on compile times and supply chain complexity.
Notable dependents include imap, lettre_email, loco-rs, lonkero, lemmy_utils. When high-quality crates choose lettre, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on lettre
Version Adoption
Release Timeline
Feature Flags
default =["smtp-transport", "pool", "native-tls", "hostname", "builder"]
