Method ehlo_or_helo_if_needed

Lib/smtplib.py:606–621

Call self.ehlo() and/or self.helo() if needed. If there has been no previous EHLO or HELO command this session, this method tries ESMTP EHLO first. This method may raise the following exceptions: SMTPHeloError The server didn't reply properly to

(self)

    # some useful methods

    def ehlo_or_helo_if_needed(self):
        """Call self.ehlo() and/or self.helo() if needed.

        If there has been no previous EHLO or HELO command this session, this
        method tries ESMTP EHLO first.

        This method may raise the following exceptions:

         SMTPHeloError            The server didn't reply properly to
                                  the helo greeting.
        """
        if self.helo_resp is None and self.ehlo_resp is None:
            if not (200 <= self.ehlo()[0] <= 299):
                (code, resp) = self.helo()
                if not (200 <= code <= 299):
                    raise SMTPHeloError(code, resp)

    def auth(self, mechanism, authobject, *, initial_response_ok=True):
        """Authentication command - requires response processing.