On Fri, Apr 27, 2012 at 09:20:21AM -0700, kar...@mailcan.com wrote: > On Fri, Apr 27, 2012, at 06:09 PM, Dennis Guhl wrote: > > The caching is done in your local resolver, not in postfix.
[..] > Is there any way to prevent Postfix from making those repeated DNS > checks, regardless of whether it's externally to Spamhaus' servers, or > to a locally cached DNS result? No. Dennis [..]