[Exim] domain.com problem

if someone try to send ani message to somone@???
he (me , the postmaster) get a frozen message since the MX for
that domain pont to mail.domain.com that in turn is 127.0.0.1
How to discard such message automatically ?

Leonardo Boselli
nucleo informatico e telematico
Dipartimento Ingegneria Civile
Universita` di Firenze
V. S. Marta 3 - I-50139 Firenze
tel +39()0554796431 fax +39()055495333
http://www.dicea.unifi.it/~leo