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Messages returned as undeliverable to valid addresses

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  • Èsì tí ó kẹ́hìn lọ́wọ́ Toad-Hall

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I have gotten this message several times today. Usually from businesses that I am attempting to reply to. Can anyone help me? Frustrated - Do I need to delete Thunderbird and go with something else? Can't run a business if I can't communicate

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:

email.address here

   SMTP error from remote mail server after end of data:
   host mail.grit.com [24.249.117.142]: 571 Delivery not authorized, message refused

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:

 jteller@grit.com
   SMTP error from remote mail server after end of data:
   host mail.grit.com [24.249.117.142]: 571 Delivery not authorized, message refused
I have gotten this message several times today. Usually from businesses that I am attempting to reply to. Can anyone help me? Frustrated - Do I need to delete Thunderbird and go with something else? Can't run a business if I can't communicate 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: email.address here SMTP error from remote mail server after end of data: host mail.grit.com [24.249.117.142]: 571 Delivery not authorized, message refused 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: jteller@grit.com SMTP error from remote mail server after end of data: host mail.grit.com [24.249.117.142]: 571 Delivery not authorized, message refused

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Please post info: In Thunderbird Help > Troubleshooting Information do not select 'include account name' click on 'copy text to clipboard' paste info into this question. Edit/remove all info on fonts and printers but nothing else.