PHP cURL how to add the User Agent value OR overcome the Servers blocking cURL requests?

Question

I am transferring an Object Array. I have a cURL client (submitter) on own Server and listening script on other\'s Server, which one is not

Answer 1

  $agent = 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)';
  $curl=curl_init();
  curl_setopt($curl, CURLOPT_USERAGENT, $agent);