>When we licensed Spamhaus a few years back, they required us to >set-up a DNS slave server instead of querying against their public >server. They had a special DNS client that allowed partial zone >updates. Turns out we downloaded huge hourly updates.
They now give you the choice of rsync or queries to non-public servers. Unless you have a humungous mail system, queries are cheaper and certainly less hassle. >We no longer use Spamhaus, relying instead upon Sender Base Reputation >Scores (IronPort). How does the price compare? R's, John
