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Date: Fri, 02 Nov 2007 07:47:30 +0100
From: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
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To: "Marc G. Fournier" <scrappy@hub.org>
CC: Andrew Sullivan <ajs@crankycanuck.ca>,
	"Joshua D. Drake" <jd@commandprompt.com>,
	Magnus Hagander <magnus@hagander.net>,  pgsql-www@postgresql.org
Subject: Re: what is up with the PG mailing lists?
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Marc G. Fournier wrote:
> 
> 
> --On Thursday, November 01, 2007 13:36:32 -0400 Andrew Sullivan 
> <ajs@crankycanuck.ca> wrote:
> 
>>> "Host or domain name not found"
>> This should just bounce, no?
> 
> The full message looks like:
> 
> Host or domain name not found. Name service error for name=sigma.fr type=MX: 
> Host not found, try again
> 
> so it looks like postfix is treating it as a soft failure, vs hard ...

a query for the MX of that domain results in SERVFAIL which MTAs usually
treat like a temporary and not a permanent error one.


Stefan