Sending Mail using PHP file

xml version="1.0" encoding="utf-8"?>
mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">
mx:HTTPService url="http://hemadri.info/sendmail.php" id="srv" result="res(event)" fault="flevent(event)"/>
mx:Form>
mx:FormHeading label="Sending Mail"/>
mx:FormItem label="E-Mail">
mx:TextInput id="tiemail"/>
mx:FormItem>
mx:FormItem label="Message">
mx:TextInput id="timsg"/>
mx:FormItem>
mx:Form>
mx:Button label="Send Mail" click="sendsrv()"/>
mx:Script>
[CDATA[
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
import mx.controls.Alert;
private function res(e:ResultEvent)
{
Alert.show("Mail sent Successfully");
}
private function flevent(f:FaultEvent)
{
Alert.show('fault '+f.fault.toString());
}
private function sendsrv()
{
var ob:Object=new Object;
ob.email=tiemail.text;
ob.message=timsg.text;
srv.send(ob);
}
]]>
mx:Script>
mx:Application>