Yahoo has pre-announced that it intends to do something serious about spam next year, Reuters reports. Its new initiative, named "Domain Keys" will involve automatic cryptographic signatures on mail. The signature will identify which Internet domain the mail is from.

This line of attack on spam seems rather more promising than the law-based line, which doesn't seem to be going the right way, even assuming you could identify who the lawbreakers were. And though many of us may feel like kneecapping the spammers, that approach suffers from the same problem, plus the problem of legality.

Read more: The Inquirer.