/**
* Connect to SMTP Server
*
* @return void
* @throws \Cake\Network\Exception\SocketException
*/
protected function _connect()
{
$this->_generateSocket();
if (!$this->_socket->connect()) {
throw new SocketException('Unable to connect to SMTP server.');
}
$this->_smtpSend(null, '220');
$config = $this->_config;
if (isset($config['client'])) {
$host = $config['client'];
} elseif ($httpHost = env('HTTP_HOST')) {
list($host) = explode(':', $httpHost);
} else {
$host = 'localhost';
}
try {
$this->_smtpSend("EHLO {$host}", '250');
if ($config['tls']) {
$this->_smtpSend("STARTTLS", '220');
$this->_socket->enableCrypto('tls');
$this->_smtpSend("EHLO {$host}", '250');
}
} catch (SocketException $e) {
if ($config['tls']) {
throw new SocketException('SMTP server did not accept the connection or trying to connect to non TLS SMTP server using TLS.');
}
try {
$this->_smtpSend("HELO {$host}", '250');
} catch (SocketException $e2) {
throw new SocketException('SMTP server did not accept the connection.');
}
}
}
