[26498] in North American Network Operators' Group
RE: mail does bounce (was: Customers down?)
daemon@ATHENA.MIT.EDU (Roeland M.J. Meyer)
Sat Jan 1 18:33:56 2000
Reply-To: <rmeyer@mhsc.com>
From: "Roeland M.J. Meyer" <rmeyer@mhsc.com>
To: <sthaug@nethelp.no>, <sjsobol@NorthShoreTechnologies.net>
Cc: <nanog@merit.edu>, <swmike@swm.pp.se>
Date: Sat, 1 Jan 2000 15:31:30 -0800
Message-ID: <00aa01bf54b0$55a076a0$ecaf6cc7@lvrmr.mhsc.com>
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In-Reply-To: <39476.946761286@verdi.nethelp.no>
Errors-To: owner-nanog-outgoing@merit.edu
> > I think I like it better that way. Just because both nameservers are
> > temporarily down doesn't mean the domain doesn't exist. :P
>
> Seems to me you're talking past one another. If all nameservers for a
> domain are down there *is* no nameserver which can say that the domain
> is authoritatively non-existent. (OK, you could get a negative caching
> answer from one of the authoritative servers on the level above, but
> that's a different issue...)
>
> I agree with Greg Woods - if a domain is authoritatively non-existent,
> I'd expect a sane mailer to bounce the message.
I'm glad that you don't write code, especially sendmail code.
