What to do about JotForm-hosted phishing page?

Your customer at http://form.myjotform.com/71212209696557 is trying to steal passwords from my users.

Should I configure my organization's email servers to reject all email containing "jotform.com" as hostile email?

Thank you very much for reporting this form to us. I have suspended the account.

Please don't let this bad customer affect the reputation that we work hard to maintain. We routinely review our customers forms both using automatic forms review systems and a specialized manual forms review team to prevent abuse like this. Furthermore, we strive to act swiftly and adequately on all the abuse reports we receive, such as the one you kindly sent.

Your feedback is most welcome.