Another thought just hit me. If you're just looking for SMTP (not sure why you need POP), you can install SMTP from IIS and have it with the smart host pointed at the Exchange Server you guys are using to handle Internet mail. Of course, you still have to do with the securing issue.

K. Brian Kelley

http://www.truthsolutions.com/

Author: Start to Finish Guide to SQL Server Performance Monitoring

http://www.netimpress.com/shop/product.asp?ProductID=NI-SQL1