source: npl/mailserver/netqmail/syn3-dagent @ 9ec1a22

#!/bin/bash

USER="$1"
SENDER="$2"
INMAIL=/tmp/syn3-dagent.$$
SCANMAIL=/tmp/syn3-dagent-scanned.$$


#cleanup and exit
end()
{
        rm $INMAIL 2>/dev/null
        rm $SCANMAIL 2>/dev/null
        exit $1
}

#check if user exists or fail permanent
#(id will generate a nice error message)
id "$USER" >/dev/null || end 100

#store mail temporary
cat > $INMAIL || end 1

#pipe trough personal spamfilter of this user
if ! grep "VIRUS.*IN MAIL TO YOU" $INMAIL >/dev/null && /usr/bin/dspamc --user "$USER" --deliver=innocent,spam --mail-from="$SENDER" --stdout >$SCANMAIL <$INMAIL; then
        #it worked
        if grep "^X-DSPAM-Result: Spam" $SCANMAIL >/dev/null; then
                SPAM=1
        else
                SPAM=
        fi
        MAIL=$SCANMAIL
else
        #spam filter is broken, or it was just a virus notification
        MAIL=$INMAIL
        SPAM=
fi

#check cyrus is up, and deliver it there:
if /usr/bin/pgrep -f -x /usr/cyrus/bin/master ; then
        if [ "$SPAM" ]; then
                /usr/cyrus/bin/deliver -a "$USER" -m Spam "$USER" < $MAIL
                end $?
        else
                /usr/cyrus/bin/deliver -a "$USER" "$USER" < $MAIL
                end $?
        fi
fi

#check zarafa is up, and deliver it there:
if pidof zarafa-server >/dev/null; then
        if [ "$SPAM" ]; then
                /usr/bin/zarafa-dagent "$USER" -q -j < $MAIL
                end $?
        else
                /usr/bin/zarafa-dagent "$USER" -q < $MAIL
                end $?
        fi
fi

#no backend mailstorage up, so fail temporary
echo "All mailbackends are down, retry again later..."
end 1