You are not the only one with this issue, lots of people are having this issue. The email not arriving is not your fault, it is Microsofts. And ofcourse, keep filling in the mentioned form. If this all fails to enable you to send emails to a Microsoft service, there is nothing else you can do except advise the recipients to complain at Microsoft or make them buy emailservices elsewhere. Next you will receive an email that says you are mitigated.

The first respond will be: You will not be mitigated. You can do so via This might help, or it might not, and for some time, but nobody knows for how much time. You can ask Microsoft to remove you of a list that they themselves cannot acknowledge it exists. Hotmail//Office365 users can do somethingĪsk recipients to complain at Microsoft, the causer of this issue. You can generate your own SPF records at ĭMARC is a TXT record dat defines what a receiving mailserver should do when DKIM and SPF fails.Īn example of a valid DMARC TXT record for the domain : When you are using Kerio, you can usually point it at your Kerio mailserver like so: v=spf1 mx a -all SPF is a record in DNS which tells the rest of the world which IP addresses are allowed to send email for your domain. As of now, outgoing messages will be signed which enables the recipient to check if this server is allowed to send email for this domain. It can take some time before Kerio feels that DNS is in order before actually signing messages.

Check the box for DKIM and publish the DKIM public key in DNS. Go to the domain you want to enable it for. To save everybody some time whilst working around Microsofts lack of competence, here are some tips that might help. I other words, they've ductaped the mailbox shut, and tell you to ask the mailman why they did that. What's so special about this situation is that Microsoft is refusing the email, and telling you to ask your provider why they did. Please contact your Internet service provider since part of their network The issue is that the sender gets something like this resoponse: host .com said:ĥ50 5.7.1 Unfortunately, messages from weren't sent. We are assuming that you are not sending spam and thus that Microsoft should just have accepted that email. You or your customer is sending an email to a Microsoft emailservice (Outlook, Live, Hotmail, Office 365) but the Microsoftservers are refusing the email.

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