[EXIM] Wrong address

    please tell me

    why a message with wrong address not return, but it stay frozen in spool?
    The "wrong address" is address of nonexistence host in our real domain.
    For example:
            nick@???

    The message to nick@??? will be frozen in spool.

                        Nick K. Kozubsky
                          nick@???
                      Tel: +7 0112 350601
                      FAX: +7 0112 350603

Rem: No Microsoft products were used in the production of this message.

--
*** Exim information can be found at http://www.exim.org/ ***