Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

Self-hosted email verification script to clean up bad invalid email address lists. Supports various commercial email verification provider APIs all in one script

Custom email sender for AWS Cognito built in Go. Uses Open Policy (OPA) Agent to determine sending behavior and supports optional SendGrid email verification or as email provider.

SafetyMails SDK for developers: real-time email verification API, batch list validation, and ready-to-use integrations (WordPress, landing pages, Google Tag Manager). Includes code examples and full documentation.

This is a Go Based Email Verifier Tool

A real time email verifier with → email syntax, SMTP, inbox exists, catch-all and mx records checks.

Backend of quiz application for engineers🧑‍💻 [Django]

Check the availability of your email and gain AI-powered insights to improve customer engagement for cold email outreach.

SendBridge Email Validation API

A high-performance and secure REST/GraphQL API built with Rust, MongoDB & Redis for cleaning email subscriber lists. Maintains sender reputation by validating, deduplicating, and pruning inactive emails.

A Python library to detect temporary emails using the Temp Mail Detector API.

A PHP library to detect temporary emails using the Temp Mail Detector API.

Client Library for EmailDetective.io

This Node.js project is designed to handle user signups and send verification emails using Nodemailer. Upon successful signup through the endpoint http://localhost:3000/auth/signup, a verification email containing a URL is sent to the user. The user can click on the URL to verify their account.

usevalid.email Node.js SDK

A Go library to detect temporary emails using the Temp Mail Detector API.