Looks like you posted in the wrong section (see Where should I post X?) of the wrong forum.

Not that the content of your question will be met with delight on a more appropriate forum. (One would think that if you have a question like that, you'd at least take the a second to cut-and-paste the email address...)

You should have at least written that your dog is named Perl to give some resemblance of an on topic post. Now I do not believe you get this message from Outlook (see, there's a capital O there. Outlook is a name!) in either case the only meaningful part is the "User unknown" in the middle. You've got an incorrect email address.