@reply_to.setter<EOL><INDENT>def reply_to(self, value):<DEDENT>
if isinstance(value, str):<EOL><INDENT>value = ReplyTo(value, None)<EOL><DEDENT>if isinstance(value, tuple):<EOL><INDENT>value = ReplyTo(value[<NUM_LIT:0>], value[<NUM_LIT:1>])<EOL><DEDENT>self._reply_to = value<EOL>
The reply to email address

        :param value: The reply to email address
        :type value: ReplyTo, str, tuple