> On 25 May 2020, at 12:00, Chris Wedgwood <c...@f00f.org> wrote: > >> Greylisting has become pretty much useless. When I disabled it a >> couple years ago, the spam levers did not increase by any measurable >> amount. We now use just 3 RBLs and that seems to be a relatively >> acceptable level of spam. > > Checking for %ge of messages that "return after defer" I see: > > WeekOf PctReturned > ---------- ----------- > 2020-04-30 22.1 > 2020-05-07 26.5 > 2020-05-14 21.2 > 2020-05-21 26.5
I would guess that our users were hit by spammers with more resources ;-) I would have kept greylisting if we had seen numbers like that. -- Doug
