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Analysis of Sender-ID patents
Posted September 18, 2004 – 9:42 pm by Yakov Shafranovich in Spam and EmailMy former co-chair as the ASRG, John Levine, published an analysis of Sender-ID?s patent application. Along with other opinions offered in the MARID WG, it seems that the patent may very well cover SPF Classis which only does MAIL FROM checking. Considering that Paul Vixie?s and David Green?s drafts predate this by at least 2 years, it is highly questionable how the patent can be granted. Meawhile AOL has pulled their support for Sender-ID which makes the whole thing even a bigger mess.
Update: John’s article was published on CircleID, the same place where my two part series on Sender-ID history was published. Words of thanks go to Ali Farshchian, the founder and publisher of Circle-ID, for doing a great job!
Tags: asrg, ietf, ipr, microsoft, patents, senderid, spam —
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3 Responses to “Analysis of Sender-ID patents”
Looks like the URL is borken. I see this:
http://www.shaftek.org/blog/archives/?http://www.taugh.com/weblog/2004/09/17#patapp?
By Victor S. Grishchenko on Sep 19, 2004
This should be fixed now.
By Yakov Shafranovich on Sep 19, 2004