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.

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    PayPal Instant payment notification warning

    Asked by dtuiadmin on June 08, 2016 at 12:35 PM

    We received the following email from PayPal several times. We have noticed that it occurs after someone submits a payment via one of our Jotforms. 


    Hello Billy Vaughn ,

    Please check your server that handles PayPal Instant Payment Notifications (IPN). IPNs sent to the following URL(s) are failing:


    If you do not recognize this URL, you may be using a service provider that is using IPN on your behalf. Please contact your service provider with the above information. If this problem continues, IPNs may be disabled for your account.

    Thank you for your prompt attention to this issue.




    NEVER give your password to anyone, including PayPal employees. Protect yourself against fraudulent websites by opening a new web browser (e.g. Internet Explorer or Firefox) and typing in the PayPal URL every time you log in to your account.

    Please do not reply to this email. To get in touch, go to the PayPal website and click "
    Help & Contact
    https://www.paypal.com/selfhelp/home ".

    Copyright © 1999-2016 PayPal. All rights reserved.

    PayPal PPX000686:63255ba3517ca


    Please advise.

    username: dtuiadmin


    Thanks ahead.

    Billy Vaughn


    Page URL:

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    JotForm Support

    Answered by Mike on June 08, 2016 at 01:43 PM

    That message is most likely not related to the JotForm service. The IPN URL seems to be related to the MailChimp, so I would like to suggest contacting them to investigate this further.

    If you need any further assistance, please let us know.