Payment Submissions Grouping Emails Together

Hi. 

After a customer makes a payment, I receive the payment email notification. However, all the payment email notifications group themselve together.

How can I make sure they do not group themseleves together?

https://form.jotform.com/80525257862966

That's because your email has a fixed subject, you may use the submission id or any other fields from your form in order to avoid having them as a thread. Here's how to do it: 

I hope this helps.