Hi Atnog/Mailop
Is anyone from t-mobile Austria reading here?
We encountered a possible misconfiguration of one of their services:
mms.t-mobile.at has no SPF record and does not sign their mail with
DKIM. However, t-mobile.at has a DMARC record set. In a strict setup
evaluating DMARC organizational domain, DMARC checks fail for
mms.t-mobile.at.
As long as p=none remains, it's probably not a big issue. But should
that ever change...
Kind regards
lukn
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