Re: [exim] Exim Relay not sending undeliverable emails back …

On 02/08/2022 16:15, Mark Elkins via Exim-users wrote:
> Any clues as to where to look?

Always start with the mainlog. Find a delivery try for
the message-id. If you can't find one - are you
actually doing regular queue runs?


If that doesn't give a clue then fire a try manually,
with debug enabled:

exim -d+all -M THE_MESSAGE_ID 2>&1 | tee debuglog

I suggest capturing the debug output because it's
a lot of complicated info, and will take you a while
to interpret.
--
Cheers,
Jeremy