On 02/03/06, David Terrell <[EMAIL PROTECTED]> wrote: > On Thu, Mar 02, 2006 at 03:38:09PM +0000, Constantine A. Murenin wrote: > > Graham, > > > > You seem to have some contradicting views on the matter. What is the > > difference between greylisting and the aforementioned spamtrapping > > approach? Isn't it essentially a variation of the very same thing, > > namely the use of 450/451 smtp error codes so that the broken MTAs can > > go and relax? :-) > > Greylisting (which I use) defers (almost) all incoming mail for a period > of time. His trick (which is awesome) only defers mail when his primary > MX is down anyway or the sender is misbehaving by going to a higher > preffed MX. > > I may have to add this to the arsenal. Nice one, Graham.
Correction: this very neat trick is by Randal L. Schwartz; Graham was the one opposing it in this thread. :-) Here are some results of 'You Had Me at HELO': http://fas.sfu.ca/Members/hebron/oscon2005/spam_session/document_view Cheers, Constantine.
