[156057] in North American Network Operators' Group
Re: The End-To-End Internet (was Re: Blocking MX query)
daemon@ATHENA.MIT.EDU (Izaac)
Wed Sep 5 11:12:42 2012
Date: Wed, 5 Sep 2012 11:11:27 -0400
From: Izaac <izaac@setec.org>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <504766A4.4040800@hup.org>
Reply-To: Izaac <izaac@setec.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Wed, Sep 05, 2012 at 07:50:12AM -0700, Henry Stryker wrote:
> Not only that, but a majority of spam I receive lately has a valid DKIM
> signature. They are adaptive, like cockroaches.
This is why tcp port 25 filtering is totally effective and will remain so
forever. Definitely worth breaking basic function principles of a
global communications network over which trillions of dollars of commerce
occur.
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