O'Reilly logo

SpamAssassin by Alistair McDonald

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

The Costs of Spam

Spam is very cheap to send. The costs are insignificant as compared to conventional marketing techniques, so marketing by spam is very cost-effective, despite very low rates of purchases in response. But it translates into major costs for the victim.

Costs to the Spammer

A report by Tom Geller, Executive Director of SpamCon Foundation, estimated that the cost to send a single spam email was as little as one thousandth of a cent, yet the cost to the recipient was around 10 cents.

The overheads in sending spam are low. The main costs are:

  • An Internet connection: There are lots of flat-rate Internet Service Providers (ISPs) offering packages at around $10/month. A spammer doesn't particularly need a Digital Subscriber Line (DSL) or ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required