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.
Upon checking your last form edit, I think you are referring to this form http://www.jotformeu.com/form/43283131168350, please try the following:
1) Using email@example.com or firstname.lastname@example.org
2) If the first one does not work, try using Mandrill SMTP to send emails.
Let us know if this helps, we will be glad to assist you.