Re: List emails not reaching hotmail/outlook/...

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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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