Received: from localhost (maia-5.hub.org [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id 168259FA50F for ; Thu, 8 Feb 2007 12:40:47 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-new, port 10024) with ESMTP id 50076-10 for ; Thu, 8 Feb 2007 12:40:25 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from main2.mycybernet.net (main2.mycybernet.net [209.222.63.140]) by postgresql.org (Postfix) with ESMTP id 74D329FA354 for ; Thu, 8 Feb 2007 12:40:24 -0400 (AST) Received: from 227-54-222-209.mycybernet.net ([209.222.54.227] helo=phlogiston.dydns.org) by main2.mycybernet.net with esmtp (Exim 4.62) (envelope-from ) id 1HFCVt-0003L2-0Z for pgsql-www@postgresql.org; Thu, 08 Feb 2007 11:52:49 -0500 Received: by phlogiston.dydns.org (Postfix, from userid 1000) id 7D6F94051; Thu, 8 Feb 2007 11:40:18 -0500 (EST) Date: Thu, 8 Feb 2007 11:40:18 -0500 From: Andrew Sullivan To: pgsql-www@postgresql.org Subject: Re: email is fast! Message-ID: <20070208164018.GB1305@phlogiston.dyndns.org> References: <200702020546.l125kPN11116@momjian.us> <20070202082145.GC20955@svr2.hagander.net> <45C8FDA1.7050903@earlham.edu> <45CA50E1.6090109@hagander.net> <4308AA640AC951EDA7E58305@ganymede.hub.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4308AA640AC951EDA7E58305@ganymede.hub.org> User-Agent: Mutt/1.5.9i X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200702/158 X-Sequence-Number: 11563 On Wed, Feb 07, 2007 at 07:01:43PM -0400, Marc G. Fournier wrote: > > Does postfix do any 'caching of results'? For instance, if it got a failed > response, would it cache that and re-use that later, pending it timing out in > its own cache? So try 1 failed, try 2 used cache and failed, try 3 was after > cache timed out and re-tried, at which point the local DNS server had the right > value ... No, but your local resolver, which probably caches, almost certainly does. A -- Andrew Sullivan | ajs@crankycanuck.ca In the future this spectacle of the middle classes shocking the avant- garde will probably become the textbook definition of Postmodernism. --Brad Holland