Microsoft ratcheted up the rhetoric in its war on spam Tuesday, with Chairman Bill Gates calling for government and corporate cooperation to stem the tide of junk e-mail.
"Spam is so significant a problem that it threatens to undo much of the good that e-mail has achieved," Gates wrote in one of his periodic e-mail missives to customers.
Microsoft has become increasingly active in the antispam crusade, most recently filing 15 lawsuits against spammers it said were responsible for sending a collective 2 billion unsolicited messages to Microsoft addresses.
The company also has limited spammers' use of Microsoft's free Hotmail service and allowed MSN subscribers to more effectively screen out unwanted messages....
