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Re: [apps-discuss] Call for Adoption: draft-delany-nullmx

Hector Santos <hsantos@isdg.net> Sat, 01 February 2014 16:12 UTC

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Date: Sat, 01 Feb 2014 11:12:46 -0500
From: Hector Santos <hsantos@isdg.net>
Organization: Santronics Software, Inc.
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Cc: IETF Apps Discuss <apps-discuss@ietf.org>
Subject: Re: [apps-discuss] Call for Adoption: draft-delany-nullmx
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Correction:

On 2/1/2014 11:05 AM, Hector Santos wrote:
>
> For example, we long supported a outbound sending rule:
>
>       SupportNoMXTryOnce
>
> When the rule was enabled (ON), it basically set the sending queue
> maximum attempts to one when a MX lookup was empty.  The default [was] ON
> long ago, but the default is [now] OFF and has been for many years now.
> I believe this change was due to two factors:
>
>    - Reports of significant retry success with No MX, A records,
>    - lower cost of operations (its "cheap").
>
> I can see how a new MX lookup factor of MX=0 can be used to enable the
> try once logic:
>
>     if MX.COUNT = 0 THEN SupportNoMXTryOnce = TRUE
>
> I can see this as a BCP suggestion, not as a standard suggestion.
>
>

-- 
HLS

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