formularz wysyłania poczty php nie działa z wiadomościami e-mail w tej samej domenie [zamknięte]

Próbuję dodać formularz kontaktowy do strony internetowej, która umieszcza dane formularza na adres e-mail. Działa dobrze z innymi e-mailami, takimi jak Gmail i Yahoo. ale nie działa z e-mailami o tej samej nazwie domeny (np .: [email protected] lub [email protected]).

Ta sama forma działa dobrze z godaddy deluxe hosting, ale teraz, kiedy przeniosłem się do Godaddy CPanel linux hosting deluxe, nie działa.

Proszę przejść przez poniższy kod, którego używam i poinformować mnie, co należy zmienić. Twoje sugestie są bardzo mile widziane. Z góry dziękuję.

Kod:

    <?php
if(isset($_POST['email'])) {


    $email_to = "[email protected]";
    $email_subject = "Enquiry website";


    function died($error) {
        // your error code can go here
        echo "We are very sorry, but there were error(s) found with the form you submitted. ";
        echo "These errors appear below.<br /><br />";
        echo $error."<br /><br />";
        echo "Please go back and fix these errors.<br /><br />";
        die();
    }

    // validation expected data exists
    if(!isset($_POST['author']) ||
        !isset($_POST['email']) ||
        !isset($_POST['subject']) ||    
        !isset($_POST['text'])) {
        died('We are sorry, but there appears to be a problem with the form you submitted.');       
    }

    $author = $_POST['author']; // required

    $email_from = $_POST['email']; // required
    $subject = $_POST['subject']; // required
    $text = $_POST['text']; // required

    $error_message = "";
    $email_exp = '/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/';
  if(!preg_match($email_exp,$email_from)) {
    $error_message .= 'The Email Address you entered does not appear to be valid.<br />';
  }
    $string_exp = "/^[A-Za-z .'-]+$/";
  if(!preg_match($string_exp,$author)) {
    $error_message .= 'The Name you entered does not appear to be valid.<br />';

  }
  if(strlen($text) < 2) {
    $error_message .= 'The text you entered do not appear to be valid.<br />';
  }
  if(strlen($error_message) > 0) {
    died($error_message);
  }
    $email_message = "Form details below.\n\n";

    function clean_string($string) {
      $bad = array("content-type","bcc:","to:","cc:","href");
      return str_replace($bad,"",$string);
    }

    $email_message .= "Name:".clean_string($author)."\n";

    $email_message .= "Email:".clean_string($email_from)."\n";
   $email_message .= "Subject:".clean_string($subject)."\n";
    $email_message .= "Message:".clean_string($text)."\n";


// create email headers
$headers = 'From: '.$email_from."\r\n".
'Reply-To: '.$email_from."\r\n" .
'X-Mailer: PHP/' . phpversion();
@mail($email_to, $email_subject, $email_message, $headers);  
?>

<!-- include your own success html here -->



<?php
  echo "<script type='text/javascript'>alert('$us Thank you for contacting us. We will get back to you very soon.')</script>";
echo "<script type='text/javascript'>window.location='index.html'</script>";
}
?>

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