code: def envrcpt(self, rcpt, *params):
          
          if rcpt.startswith('<'):
              rcpt = rcpt[1:]
          if rcpt.endswith('>'):
              rcpt = rcpt[:-1]
          if self.recipient_delimiter_re:
              rcpt = self.recipient_delimiter_re.sub('', rcpt)
          if rcpt not in self.recipients:
              self.recipients.append(rcpt)
              logger.debug('<{}> Received RCPT {}'.format(self.id, rcpt))
          return Milter.CONTINUE
docs: Send all recipients to DSPAM.