Somebody signed up for Diner's, of all things, using myname.mywifesname@gmail.com (we use a shared email for utility bills). I don't even know anyone who has a

Somebody signed up for Diner's, of all things, using myname.mywifesname@gmail.com (we use a shared email for utility bills). I don't even know anyone who has a Diner's card in Italy, or even thought of getting one... It's even less commonly accepted than AmEx and has fewer perks.