[Exim] message delivery to two email ids

hi
can anybody help me to put a filter or check in order to deliver a message
sent to xyz@??? , should also go to another address
lpo1@???. i.e both should be able to recieve same mail.
e.g if i'm sending mail to xyz@??? it should to go to xyz@??? and
lpo1@??? as well. if possible message should be bcc to lpo1
thx
Madan