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 tested your form and I was able to upload image.
Also when I submitted the form I received email Notification. Can you provide us URL of your website so we can inspect if problem might be there. Maybe the problem is how you embedded your form to the website. We are recommending using of iFrame for embedding your form. More about how to embed form using iFrame you can read in this article:
Let us know if you need further assistance.