listserv.traffic at sloop.net ha scritto: > Problem: > Postfix is doing RBL lookups on zen.spamhaus.org. > Everything goes along groovy - but then lookups start failing. Just some toughs: you could try to install rbldnsd.i386 from rpmforge repo for caching rbl lookups > I certainly suspect a problem with BIND, but I can't find it, and have no idea where to go from here. Or try to use dnsmasq (from base) to see if the problem really is with BIND Ciao Lorenzo