'9 out of 10 emails now spam'
Criminal gangs using hijacked computers are behind a surge in unwanted emails peddling sex, drugs and stock tips.
The number of "spam" messages has tripled since June and now accounts for as many as nine out of 10 emails sent worldwide, according to U.S. email security company Postini.
As Christmas approaches, the daily trawl through in-boxes clogged with offers of fake Viagra, loans and sex aids is tipped to take even longer.
"E-mail systems are overloaded or melting down trying to keep up with all the spam," said Dan Druker, a vice president at Postini. '9 out of 10 e-mails now spam' - CNN.com
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