[77092] in North American Network Operators' Group
Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet)
daemon@ATHENA.MIT.EDU (Dave Crocker)
Wed Jan 12 22:19:58 2005
From: Dave Crocker <dhc2@dcrocker.net>
To: <Valdis.Kletnieks@vt.edu>, Steven Champeon <schampeo@hesketh.com>
Cc: <nanog@merit.edu>
Reply-To: Dave Crocker <dcrocker@bbiw.net>
Date: Wed, 12 Jan 2005 19:19:24 -0800
In-Reply-To: <200501122240.j0CMeA9L009610@turing-police.cc.vt.edu>
Errors-To: owner-nanog-outgoing@merit.edu
On Wed, 12 Jan 2005 17:40:10 -0500, Valdis.Kletnieks@vt.edu wrote:
> > 1) any legitimate mail source MUST have valid, functioning, non-generic
> > rDNS indicating that it is a mail server or source.
>
> And how, exactly, does it indicate it's a mail server or source?
In general, that's what dkeys/iim and csv (and maybe spf) are attempting to provide.
d/
--
Dave Crocker
Brandenburg InternetWorking
+1.408.246.8253
dcrocker a t ...
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