Sure, but you could just say that about everything and not use greylisting. The purpose of the filter is to weed out non-RFC compliant mail servers. One goal of my tutorial here is to maintain this functionality to the extent possible.
Sure, but you could just say that about everything and not use greylisting. The purpose of the filter is to weed out non-RFC compliant mail servers. One goal of my tutorial here is to maintain this functionality to the extent possible.