[166139] in North American Network Operators' Group
Re: comcast ipv6 PTR
daemon@ATHENA.MIT.EDU (Paul Ferguson)
Wed Oct 9 13:41:15 2013
Date: Wed, 09 Oct 2013 10:36:31 -0700
From: Paul Ferguson <fergdawgster@mykolab.com>
To: NANOG <nanog@nanog.org>
In-Reply-To: <525593D7.2030701@people.ops-trust.net>
Reply-To: fergdawgster@mykolab.com
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On 10/9/2013 10:08 AM, Chris Adams wrote:
> Once upon a time, Paul Ferguson<fergdawgster@mykolab.com> said:
>> >That's not necessarily true -- some (very large) organizations using
>> >DMARC will reject mail from hosts without a PTR record.
> And that's a good reason to have reverse records for you mail servers.
Indeed. :-)
> Auto-generated reverse really shouldn't be trusted for anything.
True. :-)
- - ferg
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--
Paul Ferguson
Vice President, Threat Intelligence
Internet Identity, Tacoma, Washington USA
IID --> "Connect and Collaborate" --> www.internetidentity.com
