> On Oct 18, 2018, at 2:33 PM, Peter <pe...@pajamian.dhs.org> wrote:
>
>> As weird as it sounds none of the queue managing commands seem to do
>> anything: postfix flush, postqueue -f, postsuper -h ALL, postsuper -H
>> ALL. Increasing verbosity levels (-v) does not really help.
>
> None of these will do anything on an empty queue.
>
>> Back in the days of Postfix 2.2 I remember I could use postsuper -h ALL
>> to put the Postfix queue on hold. Arriving emails would be held back.
>
> Not entirely correct. Existing messages already in the queue will be
> moved to the hold queue with this command.
Indeed if the OP expected "postsuper -h ALL" to cause *future* messages
to be put on HOLD, then the OP is much mistaken. That *never* worked.
The CLI commands only apply to messages *currently* in the queue,
*future* messages handling is specified in main.cf and master.cf.
--
Viktor.
