“Virginia enacted a law Tuesday imposing harsh felony penalties for sending such messages to computer users through deceptive means….Public outrage at spam is causing states and Congress to start looking at stronger measures against it. The Internet industry estimates that spam represents nearly half of all e-mail sent. And a new report by the Federal Trade Commission on Tuesday found that two-thirds of spam is sent with either false return addresses or a misleading subject line.”

—Spam Sent by Fraud is Made a FelonyC|Net)

It won’t work, but it feels better than doing nothing. The FTC Spam report is only availabe as a PDF.