documentation on logging users sendmail activity

[Marc Rousseau]

Hi,
i v downloaded sendmail and setting up it up on my server. i v read through
the doc/READMEs/manuals/references
but couldnt find specific info about logging users sendmail activity,that
is,logs,reports,ect...
more specificly i m looking for doc on targetting spammers and relavant
info on what to check related
to inbound (comming from the inside) spam.
any URLs / docs welcome

regards