[Mimedefang] How MIMEDefang and SpamAssassin works

[David Yang]

Hi Gurus,

I am beginner of MIMEDefang and SpamAssassin,
I just finished install MIMEDefang and SpamAssassin on my system follow by 
the MIMEDefang HowTo, everything going well
but I don't know how make it work, what should I do after all packages 
installation ?

My environment: Sun Solaris 9 with sendmail 8.12.9 + Qpopper +Procmail.

Any help will be greatly appreciate !

David