>Problem is procmail + postfix with rbl's (zen.spamhaus.org and others). > >Really big problem are spam botnet's and some day we can get over 5-6 >million messages per day or even more. > >Procmail/postfix is doing every check per msg at localdns (localdns => >rbl's) server and average check time is 1-2 sec per message and it's >too much.
I agree that bind is likely not the best DNS cache for this purpose. You might look at unbound. More importantly, at that query volume you should be running a local copy of rbndnsd and rsync'ing the DNSBLs. R's, John _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
