Re: yet more DMARC stuff, was Re: Mailing list membership.

mrex@sap.com (Martin Rex) Tue, 14 March 2017 19:24 UTC

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Subject: Re: yet more DMARC stuff, was Re: Mailing list membership.
In-Reply-To: <A8793F66-E860-4CC1-80F8-D3C0B430C6AE@tzi.org>
To: Carsten Bormann <cabo@tzi.org>
Date: Tue, 14 Mar 2017 20:23:55 +0100
CC: John R Levine <johnl@taugh.com>, IETF general list <ietf@ietf.org>
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Carsten Bormann wrote:
> John R Levine <johnl@taugh.com> wrote:
>> 
>> You can complain about how stupid they are or you can upgrade
>> your mail system to use authentication methods that have been
>> IETF standards for a decade and get your mail delivered.  Your choice.
> 
> The most likely outcome is that local admins will "upgrade" our mail system
> by turning off IPv6.  (We have had IPv6 deployed for some 18 years now.)

turning off IPv6 is a surprisingly (depressingly?) successful mitigation
for a number of networking problems...

-Martin