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I would like to apologize for any inconvenience this is causing you. Are you referring to the Preview icon in the form builder page?
Also, can you help us by explaining your issue further, please?
"I've tried submitting a URL but it keeps getting bounced back as spam"
I've checked the last form you've edited but I see nothing but a line in it.
Is that the form you're having issues with?
We will wait for your response. Thank you.