IDENTIFYING FIRST CONTACT UNSOLICITED COMMUNICATIONS

摘要

Techniques involving identification of electronic messages that are the first contact between the sender identification and addressed recipients. One representative technique includes identifying electronic messages originating from a sender that are first contact electronic messages between the sender and targeted recipients. The sender of the electronic messages may be designated as a source of unsolicited messages if heuristics involving the first contact electronic messages indicate a distribution of unsolicited messages by the sender.