Is lettre safe to use?

lettre has no known vulnerabilities on the latest version (0.11.21). DepScope rates its health at 82/100 (low risk).

What is the latest version of lettre?

The latest version of lettre is 0.11.21, released 2026-04-04.

No known vulnerabilities on the latest version of lettre.

No, lettre is actively maintained. Latest release: 0.11.21 (2026-04-04).

Popular alternatives to lettre in Cargo include: hashbrown, getrandom, windows-sys, syn.

cargov0.11.21

Email client

License MITpermissive63 versions0 deps2,597,972 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 82/100)

Health breakdown0 – 100

25/25

maintenance

17/20

popularity

25/25

security

15/15

maturity

0/15

community

Vulnerabilities

none known

Quality signals

OSS Criticality

0.68high

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/cargo/lettre