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.
That option is only available with the old interface of Jotform: http://jotform.com/?old
So please try to check the old interface of Jotform.
With the email field, you can remove the validation of "free email accounts are not allowed". Just open the email field properties, and set the following to "No".