I recently applied for a job in a big internet company and attended the interview. I use hosted email service of that company. I own multiple email id's and use them for different purposes.<p>Today i received a notification in my primary email address that, "You are subscribed to xyz" group. But i didn't subscribe to any xyz group. Some one did on my behalf.<p>I believe they are doing a background check on me by connecting different email id's.<p>Is it legal? Any one experienced same kind of behaviour?