Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Here are the headers. We have over 250+ websites hosted on our server which basically run with no issues, however our client who is overseas inAustraliawho uses outlook has this error. Also I believe last year another client had the same issue.
So it would help if you are able to maybe see what this error may be due to?
FYI, SPF and PORT keeps coming up on things they are saying may be issues as well, but I look for your help with the below error and maybe we can resolve this.
Here is a text file with the full email headers of the error