E-commerce Discount Rules Not Working

Hey!

It seems that “1 discount per customer” rule is not enforced correctly.
Screenshot 2021-09-05 at 13.35.41

We have multiple customers that were able to use the same discount code twice (using the same email address).

I just wanted to bring this to Webflow’s attention and was wondering if anyone else has experienced a similar issue? Generally, what information is used to identify the customer as a returning customer?

Thank you!