CMailImap::connect

public function connect($host, $port, $timeout = 1, $skip_cert = false)
{
	$imap_stream = @stream_socket_client(
		sprintf('%s:%s', $host, $port), $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT,
		stream_context_create(array('ssl' => array('verify_peer' => !$skip_cert, 'verify_peer_name' => !$skip_cert)))
	);

	if ($imap_stream === false)
		throw new Exception(GetMessage('MAIL_IMAP_ERR_CONNECT'));

	stream_set_timeout($imap_stream, $timeout);
	$this->imap_stream = $imap_stream;

	$prompt = $this->readLine();

	if ($prompt === false)
		throw new Exception(GetMessage('MAIL_IMAP_ERR_COMMUNICATE'));

	if (mb_strpos($prompt, '* OK') !== 0)
	{
		$this->imap_stream = null;

		throw new Exception(GetMessage('MAIL_IMAP_ERR_CONNECT').': '.GetMessage('MAIL_IMAP_ERR_BAD_SERVER'));
	}
/*
	$tag = $this->sendCommand("STARTTLSrn");
	$res = $this->readResponse($tag);

	if (strpos($res, $tag.' OK') !== false)
	{
		$a = stream_socket_enable_crypto($this->imap_stream, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
	}
*/
}