Patent ID: 7293063
Filing Date: 2007-11-06
Classification: G06Q

Abstract:
1. A computer-implemented method for detecting spam e-mail, the method comprising the steps of: a spam manager receiving at least one e-mail addressed to a domain; the spam manager performing a signature-based analysis of received e-mail to determine whether received e-mail includes at least one signature indicative of spam; responsive to the spam manager identifying e-mail that does not include at least one signature indicative of spam and to a timeout period not having transpired from a time of receipt of the e-mail by the spam manager, the spam manager performing at least one secondary analysis of the identified e-mail; responsive to at least one secondary analysis indicating that the identified e-mail could comprise spam, the spam manager holding the identified e-mail for further processing; the spam manager receiving updated spam signatures before the timeout period transpires from the time of receipt of the e-mail; and the spam manager performing an additional signature-based analysis of the held e-mail to determine whether the held e-mail includes at least one signature indicative of spam, the additional signature-based analysis utilizing the updated spam signatures.