Exclusive e-Mail - A Spam Killer that uses rules specified by the user to eliminate unwanted e-mail messages. It can prevent any e-mail message whose sender is not in the address book. It has a unique electronic DNA that is based on a new theory of Virtual Server. The program will discard the e-mail messages that match the rules and classify the balance to authorized, or trusted, or junk. This scheme optionally allows organizations and individuals to restrict certain individuals and/or sites from sending e-mail messages to their personnel.