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.
Thanks for contacting us.
That is because your email address was landed into our bounce list because of the following:
Reason(s) : 5.3.0 - Other mail system problem 554-'5.7.1 The message from (<firstname.lastname@example.org>) with the subject of (New submission: Contact Us) matches a profile the Internet community may consider spam. Please revise your message before resending.'
I've fixed this by removing your email from the said list. In order to prevent this from happening again, we'd like you to check this guide and follow our recommendations: How To Setup Email Alerts To Prevent NOT Receiving Email Alerts & Bouncing Issues. Specially with Whitelisting our Domains and IP's addresses.
You may also consider setting up SMTP through Mandrill: How to use Mandrill to Send Emails From Your Own Email Address and use the credentials to your form notification settings. This should help you resolve the issue as well.