Almost 86 percent of spam sent to 1,000 corporations between May and July came from U.S. spammers, according to a survey by e-mail security tools vendor CipherTrust Inc. While U.S. IP addresses made up only 28 percent of the spam-sending addresses in CipherTrust's survey, those U.S. addresses sent out more unsolicited commercial e-mail than spammers from other nations, according to the company. In contrast, nearly 29 percent of the IP addresses sending out spam during the three-month survey were in South Korea, while only 3 percent of the spam came from there. The survey, which sampled about 5 million pieces of spam sent to 1,000 CipherTrust customers, runs counter to some other surveys and some critics of the CAN-SPAM law, who suggested a U.S. law would have a limited effect because of the amount of spam that comes from outside the U.S. -- Network World (US)
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