SMTP Details Checker (Basic Email Testing Tool)

Project Description

Developed a simple SMTP Details Checker tool using PHP (CodeIgniter 3) to test email server settings and validate SMTP credentials.

Features included:
Form to enter SMTP host, port, username, password, and encryption
Email sending function to test connection and authentication
Used PHPMailer library for SMTP integration
Real-time response with success or error messages

AJAX used to submit form without reloading the page

Bootstrap-based user interface

Helpful for testing email configurations before integration

This tool was built as part of learning PHP mail integration and SMTP debugging for production environments.