System utilizing updated spam signatures for performing...

Details System utilizing updated spam signatures for performing... System utilizing updated spam signatures for performing...

2007-09-30

2010-06-15

Luu, Le (Department: 2454)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

C709S207000, C726S023000, C726S024000

Reexamination Certificate

active

07739341

ABSTRACT:
A spam manager (101) receives (201) at least one e-mail (106) addressed to a domain (103). The spam manager (101) performs (203) a signature based analysis of received e-mail (106) to determine whether received e-mail (106) includes at least one signature indicative of spam. Responsive to the spam manager (101) identifying e-mail (106) 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 (106) by the spam manager (101), the spam manager (101) performs (205) at least one secondary analysis of the identified e-mail (106).

REFERENCES:
patent: 6330590 (2001-12-01), Cotten
patent: 6654787 (2003-11-01), Aronson et al.
patent: 6691156 (2004-02-01), Drummond et al.
patent: 6732149 (2004-05-01), Kephart
patent: 2002/0162025 (2002-10-01), Sutton et al.
patent: 2004/0117648 (2004-06-01), Kissel
patent: 2004/0167968 (2004-08-01), Wilson et al.

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