×

SYSTEM AND METHOD FOR DETERMINING SPAM

  • US 20090307313A1
  • Filed: 06/04/2008
  • Published: 12/10/2009
  • Est. Priority Date: 06/04/2008
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • receiving in a messaging application an electronic message from a sender, the message comprising a message body and a sender address, the message identifying a recipient;

    identifying the recipient as having a trusted account with a service provider, the account being identified in a trusted database, the account identifying a plurality of sender addresses as being trusted;

    determining whether the sender address is a trusted sender address by determining if the sender address is identified as trusted in the recipient'"'"'s trusted account;

    upon the determination that the sender address is not identified as a trusted sender, identifying the message as potential spam;

    comparing the message body of the message with a message body of each of a corpus of existing messages in the database that are identified as potential spam;

    determining if a match exists between the message body of the message and at least one message body of the existing messages;

    if a match exists, incrementing a message body match counter, the message counter tallying a total number of determined matches;

    comparing the counter'"'"'s value with a predetermined threshold value, the predetermined threshold value indicating a probability of a message being spam; and

    identifying the message as spam based on the comparison.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×