POPREP, a Windows Service that reads POP3 and MSN HOTMAIL email and forwards them to SMTP recipients (Microsoft Exchange, IBM Lotus Notes, Novell GroupWise, etc.) It supports mailboxes for single or multiple users (Domains). It has a built in scripting host, allowing the execution of Event scripts for each email in transit, this can be used for spam filtering, AV Checking, conditional forwarding, etc. POPREP can be used freely for one mailbox.