On Fri, Apr 27, 2012 at 08:55:15AM -0700, kar...@mailcan.com wrote: > I just installed a Postfix server and enabled DNSBL-based rejection with
[..] > In every case though there are multiple connections made with multiple > rejects. For example [..] > In the end it's getting blocked, and that's what I want. But, if I > understand how this works, every one of those rejects is a DNS check to > spamhaus, and some postfix load on my server. The caching is done in your local resolver, not in postfix.