Hi fred,
This is not an important thing but just a warning from SA that it has received a config parameter it does not understand (hence discarded). You can fix this (will be fixed in next release) by editing this file:
/etc/e-smith/templates/etc/mail/spamassassin/local.cf/10globalConfig
Add "auto_delete" to this list
my %exclude_parameters = (
sa_enable => 1,
type => 1,
daily_report => 1,
delete_after => 1,
delete_above15 => 1,
sort_junkmail => 1,
auto_learn => 1,
rewrite_subject => 1,
auto_delete => 1,
);
And press "save" in the Spam Filter server-manager panel.