https://bugs.exim.org/show_bug.cgi?id=2886
--- Comment #45 from Gedalya <gedalya@???> ---
(In reply to Sergio Durigan Junior from comment #44)
>
> Thanks for also confirming that your server is still deferring emails. My
> container did have IPv6 enabled, so I completely disabled it just in case.
You don't need to disable TPv6 as much as you need to enable IPv4.
> # exim4 -d+all -q 1nxCYB-0000At-E1 2>&1 | tee /tmp/exim.debug
>
> I get the following output:
>
> https://dpaste.com//AVEDX2WT4
>
> It seems strange that the second connectio (to mx2) didn't work either.
It's not working for the same reason mail.gedalya.net isn't working. It works
for you via IPv6 but you can't reach my servers on IPv4.
> I don't see a segmentation fault anywhere, although the email isn't being sent
> and keeps showing in "exim4 -bp".
You need to successfully connect to the first server and receive a deferral
(4xx SMTP code).
Figure out why you can't reach my servers out of this container. Ordinary
network troubleshooting.
Note that some "cloud" providers block outbound TCP connections to destination
port 25, some block only for IPv6 but not for IPv4, maybe you have a reverse
case? But whatever, just do network troubleshooting, or set up a local
reproducer.
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