Hi folks, I activated a customer journey to send out marketing emails to about 16,000 people. I observed that the first 10,000 emails got sent within 10-15 minutes but the next 6,000 got sent periodically with the total emails send taking over 3 hours. Is this normal/expected behaviour for email sends using Dynamics 365 marketing module's customer journeys or has this been a new feature introducing staggering/throttling the number of emails sent in a given time?
Secondly, a related question is that if I schedule an email to go out to about 80,000 people but want the email send to be staggered over a period of 8 hours with 10,000 emails sent per hour. Is this a feature that Dynamics 365 marketing currently supports?
We believe this is normal expected behavior. According to this official document, after 10,000 emails have been sent out, if there are multiple Marketing Activities running at this point, they will take up the throughput. This results in a slower delivery rate for the next 6000 emails.
Regarding your second question, this can be designed out in Customer Journey. The following is my design procedure: For the example here I have 8 contacts in my data source.
Step 1. Use Split tile to split the total into 2 parts of 4 people each.
Step 2. Continue to use the Split tile to split the total until it is 1 person each.
Step 3. Set staggered time to send emails.
The first person will add an email tile and send the email directly, while the second person will add a Wait For tile. Configure the duration to 1 hour, which means the time difference between the first and the second person to send the email will be 1 hour.
And so on, the subsequent settings are shown in the figure below. The numbers in the figure represent the serial numbers.
This is the situation after going live.
I hope my answer is helpful to you! If you have any other questions, please feel free to contact me.
Best Regards, Dengliang Li
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