Cannot reply en email (form) received

I receive the following error message when i reply on a e-mail (form) received.
How can i fix it?

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  thapelomotswane@gmail.com
    host out.zamailgate.com [85.25.217.135]
    SMTP error from remote mail server after end of data:
    550 A URL in this email (myjotform . com) is listed on https://spamrl.com/. Please resolve and retry

Thanks,

Hannes

This issue might be related to your mail server. To solve that issue, kindly check the guide below:

https://documentation.cpanel.net/display/CKB/How+to+Keep+your+Email+out+of+the+Spam+Folder

If you have any question or issues, please do not hesitate contacting us. We will be glad to assist you.