Posted by Virus Bulletin on Mar 31, 2004
Postini wins U.S. patent for email filtering
Managed email security company Postini has been granted a U.S. patent for email filtering technology.
According to the patent, any system which intercepts mail, filtering viruses and spam messages from the inbox and then sends what's left to the intended recipient - methodology in widespread use across the anti-spam and anti-virus industries - is using Postini's intellectual property.
Specifically, U.S. patent #6,650,890 (which was filed in 1999) covers:
While the methodology covered by the Patent is used widely in the anti-spam and email filtering industry, Postini founder Scott Petry told The Register the company has no immediate plans to try to enforce the patent - but was unwilling to speculate about any such activity in the future.
Posted on 31 March 2004 by Virus Bulletin