GitHub - astral-sh/ty: An extremely fast Python type checker and language server, written in Rust.
An extremely fast Python type checker and language server, written in Rust. - astral-sh/ty
GitHub - reacherhq/check-if-email-exists: Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.
github.comSaved December 12, 2025
Summary
`check-if-email-exists` is a Rust library and HTTP backend that verifies whether an email address exists without sending an email by interacting with the target domain’s SMTP server.
It can be used via a Dockerized HTTP API, a standalone CLI binary, or as a Rust dependency in application code. The tool returns structured JSON including reachability status, syntax validity, MX/DNS checks, disposable and role-account detection, SMTP connectivity, deliverability, inbox/full/disabled status, catch-all detection, Gravatar URL, and Have I Been Pwned breach status.
