match the person with the serial number What happens with email aliases?:- (1) I have one email address at home and another email address at work. (2) At work, I am not fully in charge of what my department's LAN software calls me in outgoing messages: sometimes "Anthony Appleyard", sometimes "MCLSSAA2", and other variations of case and spelling in the email address. I have had cases of email groups' majordomos not recognizing me after my department's LAN's software has been changed, for this reason. Will the 4th authorization need a phone call, or not? Will each authorization need a different Challenge Code? name, address, email From what I have seen in UK newspapers, even requiring and collecting that much information from people may come under the UK "Data Protection Act".