exchange pop3 (2 products)

Inox 4.3 (Shareware, $117)

Inox is a system service that operates in background of your server. At defined time periods it collects mail from external POP3 mailboxes e.g. ISP and forwards it to your MS Exchange or other SMTP compatible server. Easy to use configuration software allows

POPcon 2.92 (Commercial, $99.00)

POPcon connects MS Exchange Server(tm) to POP3 mailboxes. It acts as an e-mail gateway that retrieves messages from POP3 mailboxes and delivers them to your Microsoft Exchange Server mailboxes according to the intended user found in the mails.