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Brett
Houle
Product Development/Marketing
Email authentication (the standards which ISPs and other mail gateway administrators can establish the true identity of an email sender) is on the rise, and much of the credit goes to Yahoo.
With 260 million email accounts, Yahoo is still the largest email service provider and they originally came up with the idea of authenticating e-mail at the domain level, rather than at the IP address level. Yahoo dubbed this concept DomainKeys and has promoted it in the open source and standards communities. The DomainKeys Internet Mail (DKIM) standard was established last year, and corporate adoption is rising rapidly. Network World interviewed Mark Risher, anti-abuse product manager for Yahoo Mail, about the benefits Yahoo is seeing from DKIM. An interesting takeaway I was left with was how it fares against Microsoft's SenderID (another email authentication standard).
From Risher:
"One of the issues with Microsoft's Sender ID framework is that it relies on a message coming directly from one IP address to the receiver without any other hops in between. If the message has been forwarded, Sender ID doesn't work. With DKIM, it doesn't matter how many hops a message has come through. We can still confer privileges upon it."
You can check out the whole article here. To understand terms like email authentication and more, how about looking at our expanded email marketing glossary?
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