Hello there,
I've noticed that even though @gmx.ch wants DMARC reports:
$ dig +short TXT _dmarc.gmx.ch
"v=DMARC1; p=none; rua=mailto:dmarcrep...@gmx.net; ruf=mailto:dmarc-...@gmx.net;
fo=1"
they use a @gmx.net address, which requires an external reporting authorization
record (https://dmarc.org/2015/08/receiving-dmarc-reports-outside-your-domain/).
However, there is no TXT at gmx.ch._report._dmarc.gmx.de (returns NXDOMAIN), so
that effectively gmx.net does not authorize others to send DMARC reports for
gmx.ch.
If anyone here (Tobias Herkula?) is responsible for that or can ask the relevant
people, I'd appreciate it.
Thanks,
--
Bernardo Reino
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