This issue didn't seem to discriminate. I was seeing deliverability failures to Office 365 clients as well as consumer-facing brands like hotmail and msn
Okay... I was just adding my own experience as I was able to deliver to some without issue and not the one. It's entirely possible this has changed in the past couple years since I was actively testing.
Okay... I was just adding my own experience as I was able to deliver to some without issue and not the one. It's entirely possible this has changed in the past couple years since I was actively testing.