[120431] in North American Network Operators' Group

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Re: sink.arpa question

daemon@ATHENA.MIT.EDU (Tony Finch)
Sun Dec 20 10:27:03 2009

Date: Sun, 20 Dec 2009 15:26:16 +0000
From: Tony Finch <dot@dotat.at>
To: Jason Bertoch <jason@i6ix.com>
In-Reply-To: <4B2BC569.2070602@i6ix.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Fri, 18 Dec 2009, Jason Bertoch wrote:
>
> Do metrics exist on how many current installs still rely on the implicit
> MX?

It's very common for email from web servers to be poorly configured such
that it uses the webserver's hostname as the return path's mail domain.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
GERMAN BIGHT HUMBER: SOUTHWEST 5 TO 7. MODERATE OR ROUGH. SQUALLY SHOWERS.
MODERATE OR GOOD.


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