--- a/dnsbl.conf	Sun Sep 30 10:27:14 2007 -0700
+++ b/dnsbl.conf	Thu Oct 04 22:45:21 2007 -0700
@@ -17,6 +17,9 @@
         host_limit on 20 "Mail containing excessive host names rejected";
         host_limit soft 20;
         spamassassin 4;
+        require_match       yes;
+        dcc_greylist        yes;
+        dcc_bulk_threshold  50;
     };
 
     // backscatter prevention - don't send bounces for mail that we accepted but could not forward
@@ -50,6 +53,9 @@
         html_limit off;
         host_limit soft 20;
         spamassassin 5;
+        require_match       yes;
+        dcc_greylist        yes;
+        dcc_bulk_threshold  20;
     };
 
     generic "(^|[.-])(ppp|h|host)?([0-9]{1,3}[.-](Red-|dynamic[.-])?){4}"
@@ -83,8 +89,10 @@
 
     context minimal {
         dnsbl_list sbl;
-        content on {};
+        content on {
         spamassassin 10;
+            dcc_bulk_threshold  many;
+        };
         generic "^$ " " ";      # regex cannot match, to disable generic rdns rejects
         env_to {
         };