PHP สอบถามระบบ PM (Private Message) ค่ะ พออัพขึ้นโฮสแล้วส่งข้อความไม่ได้

<?
$strSQL = "SELECT * FROM tbl_pm where user='$sess_username'";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
$Num_Rows = mysql_num_rows($objQuery);

while($objResult=mysql_fetch_array($objQuery)) {
	$id_pm=$objResult[id_pm];
	$subject=$objResult[subject];
	$msg=$objResult[message];
	$from=$objResult[from_pm];
	$user=$objResult[user];
	$img=$objResult[img_pm];
	$date_pm=$objResult[date_pm];

	echo "

		<div id='right-msg'>
         
		  <a href='../member/detail2.php?user=$from' target='_blank'><img src='Photo/$img' class='resize'/>	</a>	
		<div class='subject-msg'>
			<div class='font-msg'>$subject..</div>
			<div class='font-msg'>Message : $msg</div>
			<div class='font-msg'>Date :$date_pm</div>

		";
</div>

 ";	
	}//end while
?>