Hey there, quickkeith71143.
Helping you send an email via QuickBooks Online is my priority. Let's get started.
If you don’t receive an email within an hour, it might be caused by any of the following:
To better isolate the issue, you can follow the steps below so your customers can receive the emails from QuickBooks.
Step 1: Check your email folders:
Step 2: Add QuickBooks Payments to your contacts:
For step 3, check out this article: Unable to receive Intuit email.
The following articles are good references as well:
For account discussion, feel free to reach out to our QuickBooks Online Support.
Let me know how it goes or if you ran into a different situation so I can look further into this. I want to make sure your customers can receive QuickBooks emails. Have a good one.