Tools to fetch mail from a catch-all server.
Configured through Postfix or a third-party service like Mailgun. Popular Script Types 1. PHP-Based Scripts
MySQL or Redis to store incoming messages temporarily.
For a real-time experience, Node.js scripts are superior. They use WebSockets to push new emails to the user's screen the second they arrive, removing the need to refresh the page. 3. TMail and TM-Mail