HELO hostname of mailing list server unresolvable
Hi,
I have stopped receiving mails from openSUSE mailing lists some time late on Monday.
The issue is that the HELO hostname sent by the machine does not resolve anymore:
2023-08-22T11:15:53.721108+02:00 nuss postfix/smtpd[4123954]: NOQUEUE: reject: RCPT from proxy-nue1.opensuse.org[2001:67c:2178:8::145]: 450 4.7.1
participants (1)
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Dominik George