Re: Spamhaus...

[John Levine <johnl () iecc com>]

> 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