Dead simple question. I've setup a Windows XP box to run RT (Request Tracker). Part of the tool's functionality is to send and receive e-mails. Can I use the SMTP functionality that comes with IIS to both send and, more importantly, *receive* e-mail? Or, do I need to install a POP3 server on the box to all it to receive e-mail?

Basically, all I'm try to do is send e-mail to my new machine and have those e-mails appear in C:\Inetpub\mail root\Drop...