I have Office 2010 on my Win 7 desktop.  I have a rule in my destop outlook to forward mail to my outlook.com account.  These bounce back with the error message:

   Your message did not reach some or all of the intended recipients.

        Subject:    FW: Kahkwa Golf

        Sent: 8/16/2013 7:21 AM

   The following recipient(s) cannot be reached:

      denny's outlook (*** Email address is removed for privacy ***) on 8/16/2013 7:21 AM  (note - I edited my address for this post)

            Server error: '421 4.1.8 - Domain of recipient does not resolve [R0309001]'

 Is the problem at your end or my end?

thanks,

Denny