The Internet Engineering Task Force (IETF) document, RFC 3696, “Application Techniques for Checking and Transformation of Names” by John Klensin, gives several valid e-mail addresses that are rejected ...

Validate email instantly with our cutting-edge free online email verification tool: simply enter the email address in the box below, and our advanced email validator will provide you with real-time ...

A PHP backend with email OTP authentication using PHPMailer and PostgreSQL. It provides APIs for user registration, login, and OTP verification, designed for seamless integration with frontend ...