I have the qmail toaster up and running, but would like to add a system wide procmail script (/usr/local/etc/procmailrc) to the preprocessing. I did not install procmail when doing toaster_setup.pl. After googling, I've found things that suggest adding:
exec qmail-start '|preline /usr/local/bin/procmail' ./Maildir/ 2>&1 
to the /var/qmail/rc file. However, the toaster doesn't seem to even look at the /var/qmail/rc file (is this correct?). I added the above to /var/qmail/supervise/send/run and now I have the following when I do ps -ax
 7758  p3  Z      0:00.00  (qmail-start)
 7759  p3  I      0:00.00 qmail-lspawn |preline /usr/local/bin/procmail
it seems like a step in the right direction, but it doesn't seem to be processing anything.
-Jim Keller