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How old is "Sender-ID"?

Going over Microsoft's FAQ on their new Sender-ID license, I noticed the following statement:

The original CallerID patent application was filed long before Microsoft made a decision to contribute its CallerID specification to the IETF

The original Caller ID specification was submitted to the IETF sometime around the Spring of 2004, after the MARID WG formed. "Was filed long before" sounds like a pretty long times, however the facts are pointing in a different direction.

Bob Atkinson is listed as a main author of the Caller ID draft. Yet in May of 2003 he was asking questions about RMX which surely did not sound like he was well versed in email.

Draw your own conclusions.

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