[153663] in North American Network Operators' Group
Re: Our first inbound email via IPv6
daemon@ATHENA.MIT.EDU (Paul Vixie)
Sun Jun 10 10:43:45 2012
To: nanog@nanog.org
From: Paul Vixie <vixie@isc.org>
Date: Sun, 10 Jun 2012 14:42:57 +0000
In-Reply-To: <CBF38B5D.6332C%jason_livingood@cable.comcast.com> (Jason
Livingood's message of "Tue, 5 Jun 2012 14:10:39 +0000")
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
"Livingood, Jason" <Jason_Livingood@cable.comcast.com> writes:
> In preparation for the World IPv6 Launch, inbound (SMTP) email to the
> comcast.net domain was IPv6-enabled today, June 5, 2012, at 9:34 UTC.
> Roughly one minute later, at 9:35:30 UTC we received our first
> inbound email over IPv6 from 2001:4ba0:fff4:1c::2. That first bit of mail
> was spam, and was caught by our Cloudmark messaging anti-abuse platform
> (the sender attempted a range of standard spam tactics in subsequent
> connections). ...
rim shot:
i suggest that the e-mail industry consider a two-level approach to
rejecting ipv6 spam based on source address.
for more information see:
http://www.circleid.com/posts/20110607_two_stage_filtering_for_ipv6_electronic_mail/
paul
