RE: [courier-users] Courier-mta as Pre-Processor/Relay

From: Jay Lee [mailto:jlee@pbu.edu]
>
> Bowie Bailey wrote:
> > /etc/courier/maildroprc:
> > xfilter "spamc"
> >
> > $HOME/.mailfilter:
> > to "! username@exchangeserver.domian.com"
>
> You can save yourself the trouble of creating per user .mailfilters and
> also keep the original sender by using this in your maildroprc:
>
> import LOCAL
> import SENDER
> import SENDMAIL
> to '|$SENDMAIL -f "$SENDER" -i "$LOCAL@exchange.domain.com"'
>
> otherwise, if the exchange server rejects the message for any reason, no
> delivery failure will be generated since maildrop by default sets mail
> from to blank in newer versions (in most cases this is a good thing as it
> prevents loops).

Actually, I already found and fixed that problem although I had forgotten to
mention it in my reply. I don't do it quite the same way, though.

maildroprc:
import SENDER
SENDMAIL="/usr/lib/courier/bin/sendmail -f \"$SENDER\""

The SENDMAIL variable is automatically used by the TO and CC commands so I
don't have to specify everywhere.

BTW: What is the "-i" option in your sendmail command? I don't see that
one in my man page.

The "$LOCAL@exchangeserver.domain.com" construct may work for the original
poster, but in my case, I need the per-user stuff for other reasons. Some
of the accounts don't go to Exchange, some go to multiple Exchange users,
some are forwarded elsewhere. I also have per-user SpamAssassin settings
(which I didn't go into in my post) so I can have higher or lower spam
thresholds for some users.

Bowie


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