helenp - 10:28 am on Dec 1, 2012 (gmt 0)

Just been reading the ipn files I got, I see in ipnlistener.php this, and here is the link to the file, however in the tutorial I read it said nothing about it:
curl_setopt($ch, CURLOPT_CAINFO,
dirname(__FILE__)."/cert/api_cert_chain.crt");

Of course that file does not extist...