OK, I'm not an Exchange guru...
Here's the deal, during install, I an required to enter an Organization name and a Server name, if I create these with my domain name, and then create a test user, the users default email address is "email@example.com". If I Edit the email address of this test account to just, "firstname.lastname@example.org" and send a message, I get this error returned to the sending party;
The original message was received at Tue, 7 Aug 2001 16:37:01 -0700 (PDT)
from mgfranz2.xx.xx.net [64.38.xx.xxx]
----- The following addresses had permanent fatal errors -----
(reason: 550 5.7.1 Unable to relay for email@example.com)
----- Transcript of session follows -----
... while talking to mgfranz.xx.xx.net.:
>>> RCPT To:<firstname.lastname@example.org>
<<< 550 5.7.1 Unable to relay for email@example.com
550 5.1.1 <firstname.lastname@example.org>... User unknown
Of course my domain name is not "domain", I only replaced this for this question. The line, "while talking to mgfranz.xx.xx.net" is the DNS entry of my server IP, the DNS also has my domain.com entry in it. The DNS is hosted by my ISP as is the MX server. Does my domain.com need to be before the "mgfranz.xx.xx.net" entry for mail processing?
Any ideas why the address is "email@example.com" by default?