ทำการส่งเมลล์ แบบ IIS ไม่ผ่านค่ะ ตั้งค่าตามแล้วทุกอย่างค่ะ

<?PHP
	header("Content-Type: text/html; charset=utf-8");	
	require("connect/connect.inc");

	$strSQL = "SELECT * FROM member WHERE names = '".trim($_POST['names'])."' 
	OR email = '".trim($_POST['email'])."' ";
	$objQuery = mysql_query($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["email"];		

			$strTo = $objResult["email"];
			$strSubject = "Your Account information username and password.";
			$strHeader = "Content-type: text/html; charset=utf-8\n"; 
			$strHeader .= "From: Webmaster\nReply-To: [email protected]";
			$strMessage = "";
			$strMessage .= "Welcome : ".$objResult["firstname"]."<br>";
			$strMessage .= "Username : ".$objResult["names"]."<br>";
			$strMessage .= "Password : ".$objResult["passwd"]."<br>";
			$strMessage .= "=================================<br>";
			$strMessage .= "THANK YOU<br>";
			$flgSend = mail($strTo,$strSubject,$strMessage,$strHeader); 

	}
	mysql_close();
?>