Silverpop - Yahoo! and Cisco Team up for Authentication
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Yahoo! and Cisco Team up for Authentication

Bill Nussey, Silverpop
by: Bill Nussey (@bnussey)
07 June 2005

In the latest on the continuing sender authentication odyssey, Yahoo! and Cisco just announced they are combining their two separate sender authentication proposals, DomainKeys and Identified Internet Mail, into a single specification, which they plan to propose as a web standard.

The merged technology, called DomainKeys Identified Mail, or DKIM, combines Yahoo!'s method of verifying a sender at the DNS level, with Cisco's approach for maintaining the consistency of header signatures in messages as they traverse networks.

While it's too early to tell, I suspect that Yahoo! will continue to support the original DomainKeys and may even treat it as its primary authentication for the long term. Like it or not, as email marketers, I think we are facing a perpetual alphabet soup of authentication standards.




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