on 12/22/08 11:05 AM, Lindsay Haisley said:
I was intrigued by your comments on the economics of spam, which prompted me to introduce pre-filtering on one of my servers, possibly later on both of them. Where did you get the information, in particular, that there's an income flow based on successful SMTP delivery? Any references on the subject will be appreciated.
One place I encountered this subject was at the LISA 2007 conference in Dallas.
We had a workshop on spam fighting on Sunday (see <http://www.usenix.org/events/lisa07/workshops.html#spam>), which was organized by Chris St. Pierre. Chris also lead the guru-is-in session entitled "Everything You Need to Know about Spam (in 15 Minutes)" (see <http://www.usenix.org/events/lisa07/htgr_files/stpierre.pdf>).
Then there was a talk by Ken Simpson entitled "Using Throttling and Traffic Shaping to Combat Botnet Spam" (see <http://www.usenix.org/events/lisa07/tech/tech.html#simpson>), and a talk by David Josephsen entitled "Homeless Vikings: BGP Prefix Hijacking and the Spam Wars" (see <http://www.usenix.org/events/lisa07/tech/tech.html#josephsen>).
The subject of the economics of spam was discussed in each of these places, to a greater or lesser degree.
The concept of spamming the postmaster is common enough that it shows up quite a lot when you google for it, and it's recognized on wikipedia (see the last sentence at <http://en.wikipedia.org/wiki/Postmaster_(computing)>).
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