Link: About the Mr Spamalots
They monitored three spam campaigns, in which more than 469 million e-mails were sent. Of the 350 million messages pitching pharmaceuticals, 10,522 users visited the advertised site, but only 28 people tried to make a purchase, a response rate of .0000081 percent. Still, that rate is high enough to potentially generate up to US$3.5 million in annual revenue, they concluded.
