Yahoo sets up standard to combat spam
The technique, if widely adopted, could help Internet providers more easily block the unwanted bulk messages that currently account for up to two-thirds of all e-mail traffic.
Yahoo's proposed standard, known as DomainKeys, would embed outgoing messages with an encrypted digital signature matched to a signature on the server computer that sends the message. Internet providers could check the signatures on incoming messages and block those that do not match up.
By Reuters at ZDNet.
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