I have a DNS and AD 2003 server and an Exchange 2003server. The DNS server is domainname.int but my true public DNS is domainname.org .When I send an email to a test user (on the intranet or extranet) its extension is .int instead of .org, Im not sure where to go to fix the extension, if it is somewhere in exchange that I dont see or if it is in the DNS.

3rd reply to your post: ----------- Primarily, it's an Exchange setting.You need to modify the default recipient policy to allow @domainname.org to be configured on your server.http://technet.microsoft.com/en-us/library/aa996060.aspx.

Thank you. This was exactly the issue. Sorry again for the multiple posts, Every time I would post I would get an error, and the posts were not showing up in "My threads", a few hours go by and the forums are working like a gem for me again. Again, thank you for the solution, it resolved my issue.