def _on_init(self, *args, **kwargs):
        SMTP_instance = args[0]
        host = args[1]
        if isinstance(SMTP_instance, smtplib.SMTP_SSL):
            # in case we need sth. to do with SMTL_SSL
            self.smtp_ssl = True
        # mangle request packet
        self.timeout = kwargs.get("timeout", 10)
        self.port = kwargs.get("port", 25)
        self.esmtp_features = {}
        return None