On Monday 14 March 2005 09:57, Nate Carlson wrote:
> On Sun, 13 Mar 2005, greg wm wrote:
> > so far we have postfix/saslauthd/courier-imap working, so far so
> > good. but, about the spam..
> >
> > according to what i have read so far, i can invoke spamassassin
> > from a postfix filter, which can choose to reject.
> >
> > or i can invoke from procmail or maildrop, which can make use of
> > user prefs.
> >
> > but not both?
> >
> > what i've read so far leaves me with the impression this is
> > difficult in postfix, and if i'm intent on it i need to switch to
> > exim.  it that true?
>
> A few comments on this:
>
> - With Exim, you should be able to hack up the calls to spamd to
> pass the proper username to spamd. I'm not quite sure what's
> required to make this work, but the Exiscan documentation should be
> helpful.
>
> - I'd imagine this is also possible with Postfix, since it appers
> to use spamc for it's calls to SpamAssassin. If you don't get a
> response on this list, I'd try the postfix list.
>
> - I've patched up Mimedefang to support reading per-user
> preferences out of an LDAP database, which could easily be extended
> to support a SQL backend. The info is available here:
>
>   http://www.natecarlson.com/linux/mimedefang-ldap-prefs.php
>
>   Mimedefang is a Milter app, so Sendmail is a requirement.

If memory serves you can use per-user procmailrc files and tune the 
spam "level" independantly with postfix using procmail for local 
delivery.

-- 
Thanks,

Josh Paetzel