YPOPs
YPOPs! is an application that provides POP3 access to Yahoo! Mail. It is available o n the Windows, Linux, Solaris and Mac platforms.
Yahoo! Mail disabled free access to its POP3 service o n 24th April, 2002. This application emulates a POP3 server and enables popular email clients like Outlook, Netscape, Eudora, Mozilla, etc., to download email from Yahoo! accounts. We do not go against the license agreements of Yahoo! Mail. This application is completely legitimate and well within the realms of legal software.
How do we do it you ask? Well, this application is more like a gateway. It provides a POP3 server interface at o ne end to talk to email clients and an HTTP client (browser) interface at the other which allows it to talk to Yahoo!
Full Specifications