emailsmtpvalidator Follow @yiiframework

public $email;
public function rules()
   {
      return array(
         array('email',
                'application.extensions.emailsmtpvalidator.EEmailSmtpValidator',
                'strictValidation'=>true, 
                'nameServers'=>array('192.168.0.1')))
   }

/**
 * SMTP Port
 */
private $port = 25;
/**
 * Nameservers to use when make DNS query for MX entries
 * @var Array $nameservers
 */
private $nameServers = array('localhost');
/**
 * How many seconds to wait before each attempt to connect to the
 * destination e-mail server
 *
 * @var integer
 */
private $timeOut = 10;
/**
 * How many seconds to wait for data exchanged with the server.
 * Set to a non zero value if the data timeout will be different
 * than the connection timeout.
 *
 * @var integer
 */
private $dataTimeOut = 5;
/**
 * The address of the sending user
 *
 * @var string
 */
private $sender = 'postmaster@localhost';
/**
 * If it is not possible to verify if the e-mail address is id,
 * and this flag is set to true, then the validation will fail.
 *
 * @var boolean
 */
private $strictValidation = false;