Am 16.11.2013 11:21, schrieb Erik Grøtnes: > Hi. > > In my postfix queue I can see messages with return code 5xx which are > still in queue for delivery. > > I find this strange, as the RFC 2821 states that codes starting with 5xx > is a permanent failure, and “The SMTP client is discouraged from > repeating the exact request”. > > > > Is this default behavior, or is this something I have done in my config > by mistake?
Check if soft_bounce is "yes". I seem to recall that it would make 454 from the 554, but I may be recalling wrongly. Anyways, see if postconf -e soft_bounce=no postfix reload postfix flush helps.
