

<code>

	protected function _smtp_connect()
	{
		if (is_resource($this->_smtp_connect))
		{
			return TRUE;
		}

		$ssl = ($this->smtp_crypto === 'ssl') ? 'ssl://' : '';

/*
		$this->_smtp_connect = fsockopen($ssl.$this->smtp_host,
							$this->smtp_port,
							$errno,
							$errstr,
							$this->smtp_timeout);
*/

		$context = stream_context_create([
			'ssl' => [
				'verify_peer' => false,
				'verify_peer_name' => false
			]
		]);
		$this->_smtp_connect = stream_socket_client($ssl.$this->smtp_host.':'.$this->smtp_port, $errno, $errstr, $this->smtp_timeout, STREAM_CLIENT_CONNECT, $context);

		if ( ! is_resource($this->_smtp_connect))
		{
			$this->_set_error_message('lang:email_smtp_error', $errno.' '.$errstr);
			return FALSE;
		}

		stream_set_timeout($this->_smtp_connect, $this->smtp_timeout);
		$this->_set_error_message($this->_get_smtp_data());

		if ($this->smtp_crypto === 'tls')
		{
			$this->_send_command('hello');
			$this->_send_command('starttls');

			/**
			 * STREAM_CRYPTO_METHOD_TLS_CLIENT is quite the mess ...
			 *
			 * - On PHP <5.6 it doesn't even mean TLS, but SSL 2.0, and there's no option to use actual TLS
			 * - On PHP 5.6.0-5.6.6, >=7.2 it means negotiation with any of TLS 1.0, 1.1, 1.2
			 * - On PHP 5.6.7-7.1.* it means only TLS 1.0
			 *
			 * We want the negotiation, so we'll force it below ...
			 */
			$method = is_php('5.6')
				? STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT
				: STREAM_CRYPTO_METHOD_TLS_CLIENT;
			$crypto = stream_socket_enable_crypto($this->_smtp_connect, TRUE, $method);

			if ($crypto !== TRUE)
			{
				$this->_set_error_message('lang:email_smtp_error', $this->_get_smtp_data());
				return FALSE;
			}
		}

		return $this->_send_command('hello');
	}
</code>