We are running 1 exchange 2003 server. Some of our salesmen wish to have their emails forwarded to their home email address. I setup a external contact in AD for their yahoo account. I setup, exchange general, delivery options, Forward to : their external contact. It seems like some go through, but with a my test account and setting it up to forward to my yahoo account it doesn't work. Exchange message tracking shows where it was delivered locally, because I have it setup to leave a copy on the server and below that it gives a NDR shown below. Any Ideas? Thanks Reporting-MTA: dns;ex02.mydomain.com Received-From-MTA: dns;ex02.mydomain.com Arrival-Date: Sun, 20 Nov 2005 16:06:44 -0600 Final-Recipient: rfc822;myaccount@xxxxxxxxx <http://us.f611.mail.yahoo.com/ym/Compose?To=smackoverar@xxxxxxxxx&YY=26 843&order=down&sort=date&pos=0&view=a&head=b> Action: failed Status: 5.5.0 Diagnostic-Code: smtp;551 This is not a relay host - mail must be to or from host domain. X-Display-Name: myname _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Both the individual sending this e-mail and Cross Oil Refining and Marketing Inc. intend that this electronic message be used exclusively by the individual or entity to which it is intended to be addressed.This message may contain information that is privileged, confidential and thereby exempt and protected from unauthorized disclosure under applicable law. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering the message to the intended recipient, be aware that any disclosure, dissemination, distribution or copying of this communication, or the use of its contents, is not authorized and is strictly prohibited. If you have received this communication and are not the intended recipient, please notify the sender immediately and permanently delete the original message from your e-mail system.