Forget recycled phone numbers, I get this same problem with email for a domain I bought around a year ago. Just the other day I had an email with an attached transcript for someone's recent Medrite visit. The domain I bought was at one point used for some corporate email, almost all of the emails I get for it are not business related though, it's basically all personal stuff. There needs to be a method to declare "This identifier has changed hands" for phone numbers, domains, IP addresses, street addresses, etc.