[166142] in North American Network Operators' Group
Re: comcast ipv6 PTR
daemon@ATHENA.MIT.EDU (Livingood, Jason)
Wed Oct 9 14:00:05 2013
From: "Livingood, Jason" <Jason_Livingood@cable.comcast.com>
To: "fergdawgster@mykolab.com" <fergdawgster@mykolab.com>, "nanog@nanog.org"
<nanog@nanog.org>
Date: Wed, 9 Oct 2013 17:56:08 +0000
In-Reply-To: <52558B8F.7030508@mykolab.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 10/9/13 12:59 PM, "Paul Ferguson" <fergdawgster@mykolab.com> wrote:
>That's not necessarily true -- some (very large) organizations using
>DMARC will reject mail from hosts without a PTR record.
True, but a residential customer with a cable modem bootfile that blocks
port 25 wouldn't find that an issue.
Jason