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Opened POST Back Socket to PayPal.
PayPal Post Back returns HTTP/1.0 400 Bad Request
Server: AkamaiGHost
Mime-Version: 1.0
Content-Type: text/html
Content-Length: 216
Expires: Mon, 18 Jun 2012 22:18:00 GMT
Date: Mon, 18 Jun 2012 22:18:00 GMT
Connection: close
<HTML><HEAD>
<TITLE>Invalid URL</TITLE>
</HEAD><BODY>
<H1>Invalid URL</H1>
The requested URL "/cgi-bin/webscr", is invalid.<p>
....
</BODY></HTML>
: not handled.
IPN. PayPal, (: .) , , PayPal.