Thanks you dear.
it is a really a good contribution and it send automatic response.
But after it send it doesn't show the success page. it shows a blank page.
it send mail and response very fine but redirect back to web site with success message is not working in my case.
can you give me any suggestion.
if you kindly can help me, i will post my code here to show you.
Till now, i restored the back up.
Thanks you in advance.