For inbound I use procmail to redirect to various mboxes
fetchmail -> procmail (+spamassassin) -> mbox
I'm not sure how you would do this for outbound though. I use mutt for email and it's possible to save a copy for the user sending before sending via sendmail, but that's as much as I know to do.
Last edited by dive; 04-03-2006 at 11:58 AM.