Why is Microsoft 365 restricting a sender after 15 external recipients?
A sender was restricted after a message to a distribution list reached 15 external recipients. The outbound spam policy has the external recipients per hour setting at 0,…
external recipients
Why are my M365 automated alerts sending with delays and in batches?
I'm using Microsoft 365 to send over 10,000 automated alerts to just 3 recipients. We opted for the MS HVE email service since our mail volume exceeds 10K.…