Not sure why, but for some reason my smart host in Exchange 2007 can’t resolve DNS names. If I drop to the command prompt, I can resolve and ping fine, but if I use the FQDN in the smart host setup, I get 451 errors.
Smart Host Setup
So, the solution is to just use the IP address that the record resolves to. Put that in the IP address box of the smart host setup screen. That should do the trick!
I believe this has something to do with IPv6, but I didn’t have time to look into it very in-depth…
LP
???
This is what it SHOULD look like:
After pulling my hair out and blaming it on HP printer drivers (for lack of a better candidate) I finally saved it as the old DOC file format instead of the Office 2007 era DOCX file format. Guess what? All cool. Thanks for that upgrade Microsoft! 