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've checked your email logs for firstname.lastname@example.org. It seems [2016-09-28 01:43:42] Submission #350850615151292526 Form #62710344746455 FAILED to email@example.com from firstname.lastname@example.org via SENDMAIL
To solve that issue, could you please revert the "Sender Email" setting to our default email service provider (email@example.com)?
Here is the guide how to do that:
First of all, you can remove the sender mail by the help of the following guide:
After that, you can create an autoresponder. If you have any question or issues, please do not hesitate contacting us. We will be glad to assist you.