Greylisting whitepaper

Glenn Steen glenn.steen at
Tue Feb 8 21:43:36 GMT 2011

Great stuff Steve!

There are a small number of punctuation errors ... and perhaps some places
where you start one sentence and then kind of end with another... But apart
from those very minor flaws... Very nice indeed;-)

Thank you.
-- Glenn

Den 8 feb 2011 19.57, "Steve Freegard" <steve.freegard at> skrev:

Hi all,

I already posted this to the SA list; but thought it might be interesting to
those here that don't subscribe to the SA list.

I recently did some investigation on the continued effectiveness of
greylisting some 8 years after it was first suggested.

Here is the result:

Kind regards,
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