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.
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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'm sorry for the trouble caused to you.
Upon checking our records, I found that your email address firstname.lastname@example.org is in our bounce list for following reason:
email@example.com is IN the bounce list
Reason(s) : 5.1.0 - Unknown address error 550-'5.1.0 <000001417f460a5c-74fef58a-7417-4d=
firstname.lastname@example.org> sender rejected. IB504 - 199.255=
I have removed it from our bounce it and it should be working fine now. Do get back to us if the issue persists.