Joel, >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.
You are still barking up the wrong tree; there may be an error in that area, but that is not the direct cause of your issue. Please (re)read the following message: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/msg53913.html -Sandy --- [This E-mail scanned by Declude Anti-Virus] 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/