Wietse Venema via Postfix-users wrote in
 <4ch3gp5r5kzj...@spike.porcupine.org>:
 |Steffen Nurpmeso via Postfix-users:
 |> Is it somehow possible to improve the interaction in between
 |> addressverification on the local, and greylisting on the remote
 |> side?  I have very good experience with "AV" except for certain
 |> "AV"<->"AV" well "locks" that i have seen once or twice but of
 |> which i have forgotten anything, and its interaction with
 |> greylisting.
 |
 |Use a shorter negative expiration time. A longer positive 
 |expiration time will reduce the need for follow-up probes.

Ok, thank you.  I thus also reread the doc and lowered
address_verify_negative_refresh_time, plus i added (fw ever that
iw) unverified_sender_defer_code=451.  The doc explicitly states
that enhanced status codes should not be included, i therefore
refrained from providing a reason=.   (Just in case the 4.1.7 was
what frightened them, i do not know; like i thought, there was no
further connection attempt from their side after that 450 4.1.7;
what a mess ..)

--steffen
|
|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)
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