RE: [Asrg] user-level blacklisting patented

["Hallam-Baker, Phillip" <pbaker at verisign.com>]

Nathaniel Bornstein implemented a system of that type sometime in or before
1995 and I had a conversation to that effect with Tim Berners-Lee at MIT in
the spring of 1996.

The email callback loop itself was demonstrated in the COMLINK system in the
fall of 1994 at WWW'94#2 by John Mallery and Roger Hurwitz (see conference
proceedings) and deployed in Vice President Al Gore's Open Meeting on
Reinventing Government in 1995.



> -----Original Message-----
> From: asrg-bounces at ietf.org [mailto:asrg-bounces at ietf.org] On 
> Behalf Of Devdas Bhagat
> Sent: Wednesday, March 16, 2005 4:26 PM
> To: asrg at ietf.org
> Subject: Re: [Asrg] user-level blacklisting patented
> 
> 
> On 16/03/05 15:30 -0500, James Baldwin wrote:
> > On 16 Mar 2005, at 14:56, Peter Kay wrote:
> > 
> > > We fully recognized (and disclosed) that server-level
> > > white/blacklisting was
> > > prior art. We were purposely explicit in that this is a 
> user-level or
> > > user-controlled black/whitelist process which according to our 
> > > research was
> > > nonexistent before Jan 2000.
> > 
> > No mail clients rejected/filtered mail based on address 
> book contents
> > prior to Jan 2000? Or is that not covered by this patent? I've only 
> > given it a brief perusal in the past 10 minutes plus IANAL.
> 
> This is on the MTA, not the MUA.
> 
> Devdas Bhagat
> 
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