I'm starting to play around with localmailfilter some and I've managed
to get rcptfilter working. /etc/courier/maildropfilter contains:
/usr/lib/courier/bin/maildrop
I have a simple rcptfilter like this:
import SENDER
if (lookup($SENDER, 'badfrom.dat'))
{
echo "$SENDER, your email is not wanted here"
EXITCODE=1
exit
}
EXITCODE=99
exit
so with this, users can add patterns to $HOME/badfrom.dat and
successfully blacklist them during the SMTP session. I'd also like to
be able to do some basic content checking of messages before accepting
them so for smtpfilter I have:
/^Subject: *!.*/:h
if (lookup($MATCH2, 'badsubj.dat'))
{
echo "That was not a nice thing to say"
EXITCODE=100
exit
}
EXITCODE=0
exit
However this doesn't seem to work, $MATCH2 doesn't seem to get set at
all. Does pattern matching of headers work differently with
localfilters than it does at local delivery time? What am I missing here?
Jay
--
Jay Lee
Network / Systems Administrator
Information Technology Dept.
Philadelphia Biblical University
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