Hi @BigE
That's a lot of people. 🙂
I recommend sending these emails into batches. I know it's more work, but you won't get into issues with the email server starts to think these are SPAM. Also, ensure that your Admin knows that these emails are being sent to take adequate measures.
From Microsoft's documentation:
You may not get emails from this connector:
- If you are in the unsubscribe list. You can use this form to manage your subscription preferences.
- If the corporate side of things has a SPAM filter that is catching the email and saying it is spam. It never gets into your spam folder because it is intercepted at the server level.
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Cheers
Manuel
