Yesterday afternoon there was a red alert bar at the top of the site about an issue with Microsoft 365 not delivering Constant Contact emails. And indeed, we sent an email to thousands of internal Outlook recipients and got a 1% open rate (normally would get 60%).
I don't see any notices or updates on the site about this which is odd. Can I please get an overview of what happened? I need to understand what I need to do with this email - will CC keep trying to deliver it or do we need to re-send to 10k people?
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