Here are some other settings:
/usr/lib/perl5/site_perl/5.8.0/Courier/Config.pm:
use constant COURIER_CONFIG_DIR => '/usr/local/courier/etc';
use constant COURIER_RUNTIME_DIR=> '/usr/local/courier/var';
use constant COURIER_FILTER_CONF=> COURIER_CONFIG_DIR .
'/filters/pureperlfilter.con
Please, I don't want to offend you but, I think you would be better off
suggesting this to the creators of email clients (www.mozilla.org,
www.microsoft.com, etc) to be the default action than one of the
millions of slaves to them. Unfortunately this seems like a pet peeve of
a few on these mailing