Sender ID specification revised
Microsoft has another stab at getting its email authentication protocol approved.
Microsoft has revised its Sender ID email authentication protocol and resubmitted it to the Internet Engineering Task Force (IETF) for approval.
Sender ID was rejected by the IETF a little over a month ago, due to a possible intellectual rights conflict. The sticking point was the fact that Microsoft had applied for a number of patents on the underlying technology.
Microsoft officials now say that the specification has been revised to ensure its compatibility with anyone who has published previous Sender Policy Framework (SPF) records.
Ryan Hamlin, general manager of Microsoft's Safety Technology and Strategy Group explained: "This revised specification now accepts the 60,000 or so domains out there that have already published their records, and allows companies to choose between the simple From address verification or what is called a PRA (Purported Responsible Address) verification, which some companies prefer, including Microsoft."
The changes have already prompted AOL to reconsider its position on Sender ID. The company says it will begin testing the protocol again, after having abandoned it a month ago.
26 October 2004
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