Happens here too, although rare:
you can correlate the ip’s in the tcpdump against your postfix and netfilter logs in the mailcow admin ui.
first occurrence was refusal of a mail delivery by dns blacklist,
second one was a timeout after auth.
Please post your results.
Thx,
gnasch
Ggnasch
- Sep 25, 2022
- Joined Sep 23, 2022
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- Post posted... wait what?