Microsoft pushes spam-filtering technology - C|net News.com 22 June 2005
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Around November, Hotmail and MSN will flag as potential spam those messages that do not have the tag to verify the sender, Craig Spiezle, a director in the technology care and safety group at the software maker said Wednesday. The move is meant to spur adoption of Sender ID, he said.

Sender ID is a specification for verifying the authenticity of e-mail by ensuring the validity of the server from which the e-mail came. While the purpose of curbing junk mail may be laudable, the debate on how to stop the tide of junk mail is still ongoing. According to Microsoft, up to 90 percent of e-mail is spam.

Yahoo! has a similar technology called DomainKeys.

For more information, please read Microsoft pushes spam-filtering technology (C|net, News.coom, 22 June 2005)

Please note, this Sender ID is not an accepted standard, but from the past experience, Microsoft's technologies always have some significant influence to the entire computing world, regardless of being a standard or not.

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