running toaster_setup.pl -s qmail and choosing to reinstall I get:
supervise_dir_get: using /var/qmail/supervise/smtp for smtp
file_write: opened /tmp/mt_supervise_smtp_log_run for writing.......ok
file_write: wrote 4 lines to /tmp/mt_supervise_smtp_log_run.........ok
The 'notify' parameter (undef) to Mail::Toaster::Utility::install_if_changed was an 'undef', which is not one of the allowed types: scalar
at /usr/local/lib/perl5/site_perl/5.8.8/Mail/Toaster/Utility.pm line 1551
Mail::Toaster::Utility::install_if_changed('undef', 'newfile', '/tmp/mt_supervise_smtp_log_run', 'existing', '/var/qmail/supervise/smtp/log/run', 'mode', 0755, 'notify', 'undef', ...) called at /usr/local/lib/perl5/site_perl/5.8.8/Mail/Toaster/Qmail.pm line 1721
Mail::Toaster::Qmail::install_qmail_control_log_files('undef', 'conf', 'HASH(0x8388180)', 'debug', 0) called at /usr/local/lib/perl5/site_perl/5.8.8/Mail/Toaster/Qmail.pm line 724
Mail::Toaster::Qmail::config('undef', 'conf', 'HASH(0x8388180)', 'debug', 0) called at /usr/local/lib/perl5/site_perl/5.8.8/Mail/Toaster/Qmail.pm line 2057
Mail::Toaster::Qmail::netqmail('undef', 'conf', 'HASH(0x8388180)', 'debug', 0) called at /usr/local/lib/perl5/site_perl/5.8.8/Mail/Toaster/Qmail.pm line 1223
Mail::Toaster::Qmail::install_qmail('undef', 'conf', 'HASH(0x8388180)', 'debug', 0) called at /usr/local/sbin/toaster_setup.pl line 83