grey-listing

I am curious to know if anyone has any experience with grey-listing as an anti-spam technique. ht

To be a bit more specific, how well does grey-listing work, and has it caused any unexpected problems? (sorry accidently hit cr before I was finished with the last post)

Here is some information on the topic..

http://hcpnet.free.fr/milter-greylist/
milter-greylist home page

http://projects.puremagic.com/greylisting/
Greylisting: The Next Step in the Spam Control War

http://projects.puremagic.com/greyli...hitepaper.html
Greylisting: Whitepaper

http://www.digitaleveryware.com/projects/greylisting/
Exim/Qmail Greylisting Code Download

doesn't answer all your questions but it might prove useful to others who want to reply and need a refresher on the subject.

Eg