<?php
	$remote_socket = 'ssl://34.160.13.42:465';

	// Set ssl context options, see http://php.net/manual/en/context.ssl.php
	$options['ssl'] = array('peer_name' => 'ssl://smtp.mailgun.org', 'verify_peer' => true, 'verify_peer_name' => true, 'allow_self_signed' => false);
	$socket_context = stream_context_create($options);

	$socket = @stream_socket_client($remote_socket, $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $socket_context);

	if (!$socket)
	{
		echo $errno.' '.$errstr."\n";
		return;
	}

	$server_response = fgets($socket, 256);
	echo $server_response;

	fclose($socket);
?>