[Exim] Add signature

Hi:
I am new in your list and I have a problem that I can't resolve yet:
It looks like that:
I wish add a signature to all mail outgoing of my host .

I was looking for in the Exim FAQ and Google too, but I couldn't find
nothing about this.

Any answer could help .
Thanks a lot,
Have a lucky day

Angel Azoy Carralero
Network Administrator
CNSV

PD: excuse my engish, isn't good.