สอบถามปัญหาการส่งเมล์บนเซิฟจริงไม่ผ่าน ฟ้อง message body empty

<?PHP
if ('POST' == $_SERVER['REQUEST_METHOD']) {
  require("PHPMailer/class.phpmailer.php");

  $mail             = new PHPMailer();  
  $mail->IsSMTP(); // telling the class to use SMTP
  $mail->SMTPAuth   = true;                  // enable SMTP authentication
  $mail->SMTPSecure = 'tls';                 // sets the prefix to the servier
  $mail->Host       = 'smtp.gmail.com';      // sets GMAIL as the SMTP server
  $mail->Port       = 587;                   // set the SMTP port for the GMAIL server
  $mail->Username   = 'username';  // GMAIL username
  $mail->Password   = 'password';            // GMAIL password

  $to = $_POST['to'];
  $to = filter_var($to, FILTER_VALIDATE_EMAIL);  // ensure email valid
  if ('' == $to) exit('Invalid email address!');

  $body = $_POST['message'];
  $body = eregi_replace('[\]','',$body);

 $from = (string)($mail->Username); 

  $mail->SetFrom($from, 'Your Name');
  $mail->AddReplyTo($from,'Your Name');
  $mail->Subject    = 'PHPMailer Test Subject via smtp (Gmail), basic';
  $mail->AltBody    = 'To view the message, please use an HTML compatible email viewer!'; // optional, comment out and test
  $mail->MsgHTML($body);

  $address = 'emailrecent';
  $mail->AddAddress($to, 'Name sent');

  if(!$mail->Send())
    exit('Mailer Error: ' . $mail->ErrorInfo);
  else exit('Message sent!');
  
}
?>

<form method="post">
  <input type="text" name="to" value="recepient@email"/><br/>
  <textarea name="message">Message to send</textarea>
  <input type="submit" value="Send"/>
</form>

if ($result) {
			  require("../PHPMailer/class.phpmailer.php");			
			  $mail             = new PHPMailer();  
			  $mail->IsSMTP();                                 // telling the class to use SMTP
			  $mail->SMTPAuth   = true;                  // enable SMTP authentication
			  $mail->SMTPSecure = 'tls';                 // sets the prefix to the servier
			  $mail->Host       = 'smtp.gmail.com';      // sets GMAIL as the SMTP server
			  $mail->Port       = 587;                          // set the SMTP port for the GMAIL server
			  $mail->Username   = 'username';     // GMAIL username
			  $mail->Password   = 'pass';               // GMAIL password
			  $mail->CharSet    = "utf-8";					//set Char
			  $email = filter_var($email, FILTER_VALIDATE_EMAIL);  // ensure email valid
			  if ('' == $email) exit('Invalid email address!');
						$mail->AddAddress($email);
						$subject = "ยืนยันการสมัครสมาชิก";
						$mail->Subject = iconv("utf-8", "utf-8", $subject);
						
						$url = "url active";
						$body = "คลิกที่ลิงค์ต่อไปนี้เพื่อยืนยัน หากท่านไม่เคยสมัครสมาชิก ให้ลบเมลฉบับนี้ทิ้งไป";
						$body .= "<p><a href=\"$url\" target=_blank>Active Member</a>";
						$mail->Body = iconv("utf-8", "utf-8", $body);
				if($mail->Send())
				{echo "Sent success";}
		} 
			else {
				echo "Error Registation";
			}																			
			mysql_close($c);			
		}