On Jan 5, 2023, at 14:54, Serizy via mailop <mailop@mailop.org> wrote:
but what worries me is that, the PTR resolves to the fake hostname, but the host name doesn’t resolve to the ip, logically…and the messages go to the user mailbox in Outlook.com This should not be an issue if the MTA performs both forward (A/AAAA/CNAME) and reverse (PTR) DNS validation. Is there any way to report this? Others may correct me, but I believe the channels for reporting abusive PTR records lie with the body who owns those IPs. A WHOIS on the offending IPs should provide an abuse contact. Shouldn’t be even legal I think. Legal or not, that may not prevent people from doing so, as evidenced here, nor may incentivize people to rectify these abuses. -- Alex
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