As you may know our https://status.thepluginpeople.com/ page there is a problem with o365, we’ve already reached out to o365 support, there isn’t anything we can currently do on this. When the underlying service stablises, so too will JEMHC processing for those hosts. We continue to monitor!
Learning more
As an o365 domain admin you should be able to see more info from https://portal.office.com/adminportal/home?#/servicehealth
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