John A Deurbrouck

US Patent:

20050022031, Jan 27, 2005

Filed:

May 28, 2004

Appl. No.:

10/856978

Inventors:

Joshua Goodman - Redmond WA, US
Robert Rounthwaite - Fall City WA, US
Geoffrey Hulten - Seattle WA, US
John Deurbrouck - Redmond WA, US
Manav Mishra - Kirkland WA, US
Anthony Penta - Bellevue WA, US

Assignee:

Microsoft Corporation - Redmond WA

International Classification:

H04L009/00
H04L009/32
G06F012/14

US Classification:

713201000

Abstract:

Disclosed are systems and methods that facilitate spam detection and prevention at least in part by building or training filters using advanced IP address and/or URL features in connection with machine learning techniques. A variety of advanced IP address related features can be generated from performing a reverse IP lookup. Similarly, many different advanced URL based features can be created from analyzing at least a portion of any one URL detected in a message.