def addRecipient(self, address):
        """
        Add a new recipient to the email message.
        """
        if not self.validateEmailAddress(address):
            raise Exception("Invalid email address '%s'" % address)
        self._to.append(address)

        Add a new recipient to the email message.
        
recipes/Python/576858_Send_HTML_or_Text_email_or_without/recipe-576858.py