Run SA without SA-exim

"[email protected]" <[email protected]> Sun, 05 Jun 2011 12:44:24 +0200

Newsgroups	gmane.mail.exim.spamassassin
Organization	Movimatica
Message-ID	<[email protected]>

After some years of (good) work with Exim4 and SA-exim, i'd like to try 
to use only Exim4 (v4.71)
to interface directly with SA.
What are the correct steps in order to unlink Exim4 (i don't use split 
configuration but
only exim4.conf) from SA-exim and use only SA (v3.3.1) in a Debian system ?

Thank You
luciano