pop3.stream.php handles POP3 URLs in PHP.
But what's the latest news on this one? Well, the newest release now includes a pop3s:// handler, making it easier to handle secure POP3 connections (such as those used by Gmail accounts). If you're interested in using PHP to automate your email workflows, then pop3.stream.php could be a valuable tool to explore.
Version 1.2: N/A