A system for eliminating unsolicited electronic mail generates and stores a user inclusion list including identification data for identifying e-mail desired by the user. Data from one or more fields of incoming electronic mail messages are compared with the identification data stored in the user inclusion...http://www.google.com.au/patents/US5999932?utm_source=gb-gplus-sharePatent US5999932 - System and method for filtering unsolicited electronic mail messages using data matching and heuristic processing