What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I checked the email address: firstname.lastname@example.org in our bounce list and it's not.
You have received only two email notifications from this form: http://www.jotformpro.com/form/51728499789985.
I checked it and I can see that the email address is not in the email recipients, that could be the reason why you are not receiving email notifications from recent submissions, you can add it again and test your form.
Also, if the emails are not there, check your spam or junk folders.
This guide will help you to send your email notifications to more than one email address: http://www.jotform.com/help/39-Send-Notifications-to-Multiple-Recipients.