I continually sent outlook mails every few days to see when they stop replying with S3150 - and as of now the murena->microsoft mail gets delivered (but classified as spam/junk being a oneliner mail).
Better than hard block / no delivery, good news.
I continually sent outlook mails every few days to see when they stop replying with S3150 - and as of now the murena->microsoft mail gets delivered (but classified as spam/junk being a oneliner mail).
Better than hard block / no delivery, good news.