Changed final_spam_destiny to D_DISCARD.

install/tpl/amavisd_user_config.master

@@ -45,7 +45,7 @@ $sql_select_white_black_list = 'SELECT wb FROM spamfilter_wblist'.
 #
 
 $final_virus_destiny = D_BOUNCE;
-$final_spam_destiny = D_PASS;
+$final_spam_destiny = D_DISCARD;
 $final_banned_destiny = D_BOUNCE;
 $final_bad_header_destiny = D_PASS;