php ile mail gönderme sorunu

    $email_content = file_get_contents('email_template.html');
    $email_content = str_replace('{{AdSoyad}}', $adsoyad, $email_content);
    $mail->Body    = $email_content;

    $email_content = file_get_contents('email_template.html');
    $email_content = str_replace('{{AdSoyad}}', $adsoyad, $email_content);
    $mail->Body    = $email_content;

if(isset($_POST['url']) && $_POST['url'] == ''){

    // put your email address here
    $youremail = 'r10@eratalay.net.tr';  

    // prepare message 
    $body = "You have got a new message from the quote form on your website :
    
    Name:  $_POST[name]
    Phone Number:  $_POST[number]
    Email:  $_POST[email]
    Subject:  $_POST[subject]";

    if( $_POST['email'] && !preg_match( "/[\r\n]/", $_POST['email']) ) {
      $headers = "From: $_POST[email]";
    } else {
      $headers = "From: $youremail";
    }

    mail($youremail, 'Message from Web', $body, $headers );

}

?>

if(isset($_POST['url']) && $_POST['url'] == ''){

    $youremail = 'r10@eratalay.net.tr';  

    $name = isset($_POST['name']) ? $_POST['name'] : '';
    $number = isset($_POST['number']) ? $_POST['number'] : '';
    $email = isset($_POST['email']) ? $_POST['email'] : '';
    $subject = isset($_POST['subject']) ? $_POST['subject'] : '';
 
    $body = "You have got a new message from the quote form on your website :
     
    Name:  $name
    Phone Number:  $number
    Email:  $email
    Subject:  $subject";
 
    if( $email && !preg_match("/[\r\n]/", $email) ) {
      $headers = "From: $email";
    } else {
      $headers = "From: $youremail";
    }
 
    mail($youremail, 'Message from Web', $body, $headers );
 
}