Systems and methods for providing a content item database and identifying content items

摘要: Systems and methods are provided for identifying unsolicited or unwanted electronic communications, such as spam. The disclosed embodiments also encompass systems selecting content items from a item database. Consistent with certain embodiments, computer-implemented may use clustering based statistical matching anti-spam algorithm to identify filter Such be implemented determine degree of similarity between an incoming e-mail collection one more spam e-mails stored in If the exceeds predetermined threshold, classified Further, accordance other query search string user database identified that matches by user.