function send_message($from, $recipient, $subject, $email_content)
{
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
	curl_setopt($ch, CURLOPT_USERPWD, 'api:key-f2524e3723fd79b88580971f1bcf9a46');
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
	curl_setopt($ch, CURLOPT_URL,
		'https://api.mailgun.net/v3/mg.mobilerocket.co.uk/messages');
	curl_setopt($ch, CURLOPT_POSTFIELDS,
		array('from' => $from,
		      'to' => $recipient,
		      'subject' => $subject,
		      'text' => $email_content
		));
	$result = curl_exec($ch);
	curl_close($ch);

	return $result;
}