Microsoft Pushes Spam-Filtering Technology

"If your e-mail does not have a Sender ID, Microsoft wants to junk your message. Sometime 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." Source: News.com.com