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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, 20254 min

Rust Library

Summary

An open-source Rust tool that verifies email existence via SMTP without sending emails. It offers Docker, CLI, and library interfaces, returning detailed JSON on deliverability and validity.

Highlights

Verifies email existence via SMTP without sending emails
Supports Docker, CLI, and Rust library usage
Returns detailed JSON including syntax and breach status
Requires outbound port 25 for Docker backend
Allows SOCKS5 proxy configuration

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Preview of GitHub - reacherhq/check-if-email-exists: Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

reacherhq · via GitHub

Context

Audience

Developers

DomainSoftware Development

Formatopen source library

Accessopen source

Topics

Rust Programming SMTP Validation Docker Deployment Email Verification HTTP Backend

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