Am Montag, den 19.10.2009, 19:14 +0200 schrieb Benoit Panizzon:
There are mailservers out there who don't cope with greylisting.
Sorry, but these "mailservers" are broken.
http://webattacks.de/exchange-greylist-problem-und-kein-offizieller-patch.ht...
This problem is known since 2003, I think there is no further comment needed ;)