handlers.py 文件源码

def _deliver(self, mail_from, rcpt_tos, data):
        refused = {}
        try:
            s = smtplib.SMTP()
            s.connect(self._hostname, self._port)
            try:
                refused = s.sendmail(mail_from, rcpt_tos, data)
            finally:
                s.quit()
        except smtplib.SMTPRecipientsRefused as e:
            log.info('got SMTPRecipientsRefused')
            refused = e.recipients
        except (OSError, smtplib.SMTPException) as e:
            log.exception('got %s', e.__class__)
            # All recipients were refused.  If the exception had an associated
            # error code, use it.  Otherwise, fake it with a non-triggering
            # exception code.
            errcode = getattr(e, 'smtp_code', -1)
            errmsg = getattr(e, 'smtp_error', 'ignore')
            for r in rcpt_tos:
                refused[r] = (errcode, errmsg)
        return refused