Thanks for the info on the DNS. To say Exchange has been a lot to learn would be an understatement but I noticed in my SMTP queue that I have about 16 remote delivery entries in there with a status of retry. When I look in the properties of the entries I see "The connection was dropped by the remote host." Where can I look to trouble shoot this. I have looked on MS site and the msexchange.org and have not been able to find anything. Thanks in advance. Steve