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.
When you say "send multiple messages", are you referring to the email alerts sent when a submission is made? To learn more about that feature, please do check this guide: https://www.jotform.com/help/30-Explanation-of-Email-Notification-and-Autoresponder-Settings.
If you want to send the email alert to multiple email addresses, simply hit enter or space to separate email addresses. Below is an example of it:
Let us know if I misunderstood your concern.