Dries Buytaert

Spamalytics: how spammers make money

Ever wondered how spammers can be profitable? According to this BBC article, researchers have calculated that those sending unsolicited e-mails can make a profit by attracting just one sale from every 12.5 million spam e-mails sent. Even though their conversion rates are well under 0.00001%, big spam networks generate more than $3.5 million USD in annual revenue. All it takes is thousands of hijacked machines sending hundreds of millions of spam messages a day. More details in the original research paper (PDF) by Chris Kanich et al. Crazy!

— Dries Buytaert

Dries Buytaert is an Open Source advocate and technology executive. More than 10,000 people are subscribed to his blog. Sign up to have new posts emailed to you or subscribe using RSS.

20 sec read time