list...@tutanota.com: > > 15. Jun 2016 02:55 by wie...@porcupine.org: > > > list...@tutanota.com> : > >> > As for greylisting, you could use postscreen's deep protocol tests > >> > instead - those tests require that clients disconnect and come back > >> > before they can send mail. > >> > >> I do not want to delay all the inbound mail. > > > > You are not delaying all email. Deep protocol tests results > > are cached for 30 days. > > Ok. I think I have to correct the requirement. > > I think I understand then that every NEW mail that is not having > already been cached by a deep protocol test will be delayed?? > At least the one time?
Nope. The caching is by CLIENT IP ADDRESS not EMAIL. These details matter. Computers are like that. Wietse