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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.

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    Problem with bounce list

    Asked by pepcohu on April 20, 2017 at 04:11 AM

    Dear Sir/Madam,


    since couple of months we have launched to use your platform for our recruitment process.

    Unfortunately we have had problems with bounce list for 4 months.

    It often occurs (even 3 times this week) that we don't get emails to our mailbox forwarded, but it arrives to Jotform platform.

    Why do our mail addresses appear steadily on bounce list? How can we avoid it?


    Thanks for your quick response.







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    JotForm Support

    Answered by ashwin_d on April 20, 2017 at 04:25 AM


    I'm sorry for the trouble caused to you. 

    I did check your last edited form and found that your email address allas@pepco.eu ended up in our bounce list for following reasons:


    allas@pepco.eu is IN 

     the bounce list 

    Reason(s) : smtp; 550 5.7.1 : host blocked

    That is the reason why the emails are not being delivered to your email address. I have removed your email address from bounce list and it should work fine now. I would suggest you to please speak to your email service provider and ask them to whitelist our domain names and IP addresses. The following guide should help you grab the list of domain names and IP address: https://www.jotform.com/help/145-Whitelisting-JotMails-IP-Addresses

    If the issue persists,  I would suggest you to please use your own email address with SMTP to send submission emails. You may like to take a look at the following guide on how to use your own SMTP setting:  https://www.jotform.com/help/244-How-to-Setup-SMTP-for-a-Form 

    Thank you!