From: "Michael Fallen" <mikefallensignup@gmail.com>
To: "Dominque Roux" <dominique.roux@ungleich.ch>
Cc: nanog@nanog.org
Sent: Tuesday, April 27, 2021 9:22:29 AM
Subject: Re: EMail server gets blocked by Microsoft

Microsoft seems to be one of the worst offenders in terms of having a
email blocking blackbox. Good luck getting in contact with someone as
well. Throughout the years of self-hosting email they have always been
the most problematic of the large providers.

--
Mike

Dominque Roux wrote on 2021-04-27 3:35 AM:
> Hi All,
>
> is there anyone out there who has some experience with the blocking
> mechanism of Microsofts mail server? We're running a mail server at our
> company which ends up on their blacklist from time to time and we're
> wondering if there are some steps we could take in order to prevent this.
>
> Cheers,
> Dominique