We are migrating some web server from ppedv to windows 2008. IIS 7 is a great improvement. But as always in live, nothing is perfect and we miss the pop3 server from windows 2003.
Our software "visendo" department have build several products around pop3 (popconnect) and smtp. So we build an extender for IIS Microsoft SMTP server. So you can now use pop3 client to read mails. The solution consists of a filesystem watcher which is moving from drop to other folder(s) fitting the destination address. We support domain and single account (more than windows 2003). Configuration is done with xml. config file by notepad. Visendo SMTP Extender is developed as service with c++ for performance reasons.
On bottom you find links for download first prototype. Support by blog comments. We will open up a support group on our www.visendo.com forums. At the moment product is free an without any warranty.
btw SMTP management is still no part of iis 7 so management is done by old mmc snap in.