On Sat, 10 Jan 2026, Robert Elz wrote:
Date: Fri, 9 Jan 2026 11:38:49 +0000 From: Marcin Cieslak <[email protected]> Message-ID: <[email protected]>| Check your MTA logs, I am sure they reject your mail for policy outlook (etc) don't actually reject the e-mail, they just don't answer DNS requests for the address for the MX record. The MX exists, so it is known the addr (domain name part) is valid, but after that it is just wait forever.
This is really strange. I have never seen something like this (except when the DNS is broken). Do you have any logs that demonstrate this? Do you have DNSSEC validating resolver enabled or something like this? Marcin
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