[pfx] Re: different queue time based on the sender address

[Aleksandar Ivanisevic via Postfix-users]

> On 27. Jan 2024, at 14:23, Wietse Venema via Postfix-users 
> <postfix-users@postfix.org> wrote:
> 
> Aleksandar Ivanisevic via Postfix-users:
>> i would like to have maximal_queue_lifetime (and possibly some
>> other parameters) based on the sender address. So I did the following
> 
> This request is unlikely to be implemented. It is one of those
> features that benefit a very small fraction of the pupulation at a
> dispropertionate cost for implementation and maintenance.
> 
>> in main.cf
>> sender_dependent_default_transport_maps = hash:/etc/postfix/relay_by_sender
>> 
>> in /etc/postfix/relay_by_sender
>> mysender.com smtp:[localhost]:588
>> 
>> in master cf
>> 588       inet n       -       n       -       -       smtpd -o 
>> maximal_queue_lifetime=1d -o sender_dependent_default_transport_maps=
> 
> maximal_queue_lifetime and sender_dependent_default_transport_maps
> are implemented in different programs. Postfix programs cannot send
> main.cf settings into other Postfix programs. That is not a bug but
> a safety feature.


thanks, thats what I thought. For posterity, I’ve solved it by setting 
max_queue_time to whatever my maximum is, and then periodically running custom 
script(s) that dequeue early, something like this:

#!bin/bash

export PATH=/usr/sbin:$PATH

find $(postconf -h queue_directory)/deferred -type f | while read qf; do
  qid=${qf##*/}
  if postcat -h $qf 2>/dev/null | fgrep something
      echo "$qid contains something, deleting" 
      postsuper -d $qid &> /dev/null
  fi
done
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