Ok, Per my 550 Can't relay issue, it appears that I may have found something.
When I do an nslookup on the IP it does not resolve, so I am assuming that my ISP doesn't have the IP address in reverse DNS. Does that sound right? Thanks, Joel Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit the Knowledge Base for answers to frequently asked questions: http://www.ipswitch.com/support/IMail/
