ดูให้หน่อยค่ะ ฟอร์มส่งเมล์แนบไฟล์ แต่ไม่สามารถแนบไฟล์ได้

<? 
		$strTo =  "[email protected]";  
		$strSubject = "=?UTF-8?B?".base64_encode("Application for $strPosition")."?=";
		
		$txtFormEmail = "[email protected]";
		$strHeader  = 'MIME-Version: 1.0' . "\r\n";
		$strHeader = "Content-type: text/html; charset=UTF-8\n"; 
		$strHeader .= "From: McMaster Application System<[email protected]>\nReply-To: [email protected]\n";  
		
		$strHeader .= "Content-Type: application/octet-stream; name=\"".$new_file."\"\r\n"; // use different content types here
   		$strHeader .= "Content-Transfer-Encoding: base64\r\n";
    	$strHeader .= "Content-Disposition: attachment; filename=\"".$new_file."\"\r\n\r\n";
		
		
		$strMessage .= "$strPrefix$strName ต้องการสมัครงานดำแหน่ง $strPosition<br />";
		$strMessage .= "<a href='http://www.mcmasterrayong.com/2014/mcjob/Application.php?appID=".$appID."'>ดูใบสมัคร</a>";
								

		
		$flgSend = @mail($strTo,$strSubject,$strMessage,$strHeader,$objResult);	
?>