PHP - ช่วยดูให้ทีครับ ระบบไม่ส่ง Password ไปทาง Email

<?php
	include "connect.php";
	$strSQL = "SELECT * FROM tb_member WHERE member_email = '".trim($_POST['txtEmail'])."' ";
	$objQuery = mysql_query($strSQL);
	$objResult = mysql_fetch_array($objQuery);
	if(!$objResult)
	{
			echo "Not Found Username or Email!";
	}
	else
	{
			echo "Your password send successful.<br>Send to mail : ".$objResult["member_email"];		

			$strTo = $objResult["txtEmail"];
			$strSubject = "Your Account information username and password.";
			$strHeader = "Content-type: text/html; charset=windows-874\n"; // or UTF-8 //
			$strHeader .= "From: [email protected]\nReply-To: [email protected]";
			$strMessage = "";
			$strMessage .= "Welcome : ".$objResult["member_dname"]."<br>";
			$strMessage .= "Username : ".$objResult["member_username"]."<br>";
			$strMessage .= "Password : ".$objResult["member_password"]."<br>";
			$strMessage .= "=================================<br>";
			$strMessage .= "Travelthailand.incasible.Com<br>";
			$flgSend = mail($strTo,$strSubject,$strMessage,$strHeader); 

	}
	mysql_close();
?>