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So removing the IP key/value pair made no difference but dont need this anyway so might as well leave it out!

 

The output of the phpinfo is as below, - assume this means openssl is installed?

curl cURL support enabled cURL Information libcurl/7.20.0 OpenSSL/0.9.8q zlib/1.2.3

could this issue be something to do with the code in my contact.php?

script src="https://www.google.com/recaptcha/api.js" async defer></script>
			<form name="contact" action="submit.php" method="post">
			<fieldset class="conform">
			<legend>Your Details</legend><br />
			<label for="name">Name</label>
			<input id="name" type="text" size="40" value="<?php echo (isset($_POST["name"])) ? $_POST["name"] : '' ; ?>" name="name" /> <span class="red">**</span><br />
			<label for="company">Company</label>
			<input id="company" type="text" size="40" value="<?php  echo (isset($_POST["company"])) ? $_POST["company"] : '' ; ?>" name="company" /><br />
			<label for="telephone">Telephone</label>
			<input id="telephone" type="text" size="40" value="<?php echo  (isset($_POST["telephone"])) ? $_POST["telephone"] : ''; ?>" name="telephone" /><br />
			<label for="email">Email Address</label>
			<input id="email" type="text" size="40" value="<?php echo (isset($_POST["email"])) ? $_POST["email"] : ''; ?>" name="email" /> <span class="red">**</span><br />
			</fieldset>

			<fieldset class="conform2">

			<legend>Further Information</legend><br />
			<textarea id="comments" name="comments" size="40" rows="8" cols="50"><?php  echo(isset($_POST["comments"])) ? $_POST["comments"] : '' ; ?></textarea>
			</fieldset>
			<html>

  			<div class="g-recaptcha" data-sitekey="my key"></div><br>
  
			<br />
			<a href="javascript:document.contact.submit();"><img title="" height="43" alt="" src="images/submit.gif" width="102" border="0" /></a>
			</form>
			</div>

			<?php
				} else {
			?>
			<p>Thank you for your enquiry. We will reply as soon as possible.</p>
			<?php
				}
			?>

Could you try this code... if I recall, curl 7.20.*, and 7.21.* has problems with CURLOPT_POST | CURLOPT_POSTFIELDS

 

if ( $_SERVER['REQUEST_METHOD'] === 'POST' )
{
    if( isset ( $_POST['g-recaptcha-response'] ) && ! empty ( $_POST['g-recaptcha-response'] ) )
    {
        $key         = 'my key';

        $rip         = $_SERVER['REMOTE_ADDR'];

        $captchaurl  = 'https://www.google.com/recaptcha/api/siteverify?';

        $captchaurl .= 'secret=' . $key . '&';

        $captchaurl .= 'response=' . $_POST['g-recaptcha-response'] . '&';

        $captchaurl .= 'ip=' . $rip;

        $curl_init = curl_init ();

        curl_setopt ( $curl_init, CURLOPT_URL, $captchaurl );

        curl_setopt ( $curl_init, CURLOPT_RETURNTRANSFER, 1 );

        curl_setopt ( $curl_init, CURLOPT_TIMEOUT, 5 );

        curl_setopt ( $curl_init, CURLOPT_USERAGENT, 'PHP/reCAPTCHA' );

        curl_setopt ( $curl_init, CURLOPT_SSL_VERIFYPEER, FALSE );

        $response = curl_exec ( $curl_init );

        if ( $response == FALSE )
        {
            echo '<p>Curl Error: ' . curl_error ( $curl_init );
        }
        else
        {
            $result = json_decode ( $response, TRUE );

            echo 'Recaptha Result: ';

            var_dump ( $result['success'] );
        }

        curl_close ( $curl_init );
    }
}

Thanks Prinf, I have tried the above code, but as soon as I click to submit the form, all i receive is a message saying Curl Error:

 

I cant understand why this isn't outputting correctly or getting the success response back from the form!

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