[Exim] Configure file

Hello !

I have installed exim on linux caldera 2.3


My questions are ....
I ran the default setup with the EDITME file which i had which i moved to
/Local and changed it to MakeFile ...
My configure file is in the configure file is in the /usr/exim/configure ..
How do i can i edit my configure file .using vi .
Do i have to compile/Build some thing again....after changing the configure
file or i can keep on modifying it...
How do i use eximmon .......?
Is exim available in ( .rpm )If yes then which ver ?
Regards
Raj....