Update: This 3rd party service issue was resolved
As you may know our https://status.thepluginpeople.com/ page there is a problem with o365, we’ve Microsoft 365, (status page seems clear : https://azure.status.microsoft/en-gb/status ).
We’ve already reached out to o365 Microsoft support, there isn’t anything we can currently do on this. When the underlying service stablisesstabilises, so too will JEMHC processing for those hosts. We continue to monitor!
Learning more
As an o365 Microsoft 365 domain admin you should be able to see more info from https://portal.office.com/adminportal/home?#/servicehealth
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