We have recently started experiencing failure notices to some emails that are being sent from our domain suggesting parts of the Dynadot network is on their block list.
Would welcome any suggestions on how to resolve this. Error message below:
From: <mailer-daemon@webhost-mail-out.dynadot.com>
Date: Mon, 6 Sept 2021 at 10:58
Subject: failure notice
To: <info@swanseaautismmovement.org>
Hi. This is the email program at webhost-mail-out.dynadot.com. I was not able to deliver your message to the recipient below. This is a permanent error; I've given up.
<*****@hotmail.co.uk>
550 5.7.1 Unfortunately, messages from [166.88.19.160] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [DB8EUR05FT054.eop-eur05.prod.protection.outlook.com]
Remote mail server ip: 104.47.17.97
--- Below this line is a copy of the message.
X-AntiAbuse: Primary Hostname - swanseaautismmovement.org
Received: from 209.85.161.49 by webhost.dynadot.com with SMTP; 6 Sep 2021 09:55:49 +0000
Received: by mail-oo1-f49.google.com with SMTP id q26-20020a4adc5a000000b002918a69c8eeso1668045oov.13
We sincerely apologize that you have had to deal with this. Email issues can happen for a number of reasons, from the storage limit reached, third-party email service settings being input incorrectly, or even server issues. When this happens, it is best to contact Dynadot through chat or to send us an email so we can assist directly, as all situations can be unique. https://www.dynadot.com/community/about/contact.html
Mail Failure Notice