This is by design from what I understand:
https://answers.microsoft.com/en-us/outlook_com/forum/all/single-delivery-report-when-sending-email-to/7612f6d8-2b58-49d1-ba96-39aefc4ea9dd
Email Delivery Confirmation
Mateus Diniz
1
Reputation point
When I send an email to 10 people and I put the email Delivery confirmation option. How do I configure to receive Delivery confirmations in a single email?
Why do I get 10 delivery confirmation email. I just wanted to receive an email with the 10 delivery confirmations.
1 answer
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Andy David - MVP 152.3K Reputation points MVP
2022-06-30T14:32:09.397+00:00