smeserver-spamassassin/root/etc/e-smith/templates/etc/mail/spamassassin/local.cf/10required_score

{ 
    my $sens = $spamassassin{Sensitivity} || 'medium';

    my %sens2hits = ( 
       'veryhigh' => 2,
       'high'     => 3,
       'medium'   => 5,
       'low'      => 7,
       'verylow'  => 9,
    );

    my $hits = ($sens eq 'custom') ? $spamassassin{TagLevel}
               : $sens2hits{$sens};

    return "required_score $hits";
}