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I have checked your account and one of your forms has been cataloged as a phishing form, I see you are using this form to collect donations, and you are using our Payment feature, but it has been cataloged as phishing because of you have added the words "Credit Card", so I would suggest you to remove them and use similar words or just remove them from your and let only the logos.
I added your form to our white list and re-activated your account, you should be able to log in and access to your forms again.
I would like to share you our terms in order to prevent future issues and suspend your account again : http://www.jotform.com/terms/