Stopping spam at the source
At issue is the ability to authenticate the original source of e-mail messages, a major hole in the current system that allows spammers to easily forge return addresses and hide their tracks.
This month, the Internet Engineering Task Force (IETF) reviewed several e-mail authentication proposals, agreeing to fast-track a submission from Microsoft known as Sender ID. The group also reviewed submissions for signature-based authentication from companies such as Cisco Systems and Yahoo and recommended the authors combine and resubmit those proposals together.
By Marguerite Reardon at CNET.
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