sou novo no Digital ocean e tenho um área de hospedagem e minha área de email não recebe nem envia emails, fica dando erro 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:
Action: failed Final-Recipient: rfc822;email@example.com Status: 5.0.0 o que pode ser?
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