Avatar

Correct answer by
Employee Advisor

How are you measuring the "7-8k per hour to 15k at maximum"?

If all deliveries are set to the same priority (0) that can certainly be the issue. Start applying priorities to all deliveries and see if that helps over the next week.

 

It won't hurt anything to submit a ticket to ACC support and ask them to have their deliverability team take a second look at the slow sending just to make sure all the of settings are correct in the email headers. In the same ticket i would also ask ACC support to check that MTA's are all functioning properly with an increase in volume.

 

View solution in original post