Why are completed jotforms that I see in my history not being delivered to my email?

Hi,
Thanks to contact us.

Could you please confirm you refer to your form ID211437932475156?
I have cloned your form to submit a test and I have correctly received an email notification.

Kindly share with us the submission ID of one of the submissions for which you haven't received the email notification.
Please check this link: https://www.jotform.com/help/549-where-to-find-the-submission-id

We await your response to proceed with further checks.