[185543] in North American Network Operators' Group

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Re: AW: Uptick in spam

daemon@ATHENA.MIT.EDU (Rich Kulawiec)
Tue Oct 27 08:26:40 2015

X-Original-To: nanog@nanog.org
Date: Tue, 27 Oct 2015 08:26:31 -0400
From: Rich Kulawiec <rsk@gsp.org>
To: nanog@nanog.org
In-Reply-To: <CALeqL2exq_iLrVQWztJFD1EuiG+jdNgYpQjS2p8ZirH8UagZ_w@mail.gmail.com>
Errors-To: nanog-bounces@nanog.org

On Tue, Oct 27, 2015 at 08:09:00AM -0400, Ian Smith wrote:
> This is the part that's been bugging me.  Doesn't the NANOG server
> implement SPF checking on inbound list mail?

Don't know, but it doesn't matter: SPF has zero anti-spam value.
(I know.  I've studied this in ridiculous detail using a very large
corpus of spam/nonspam messages over a very long period of time.)
There are much better methods available.

---rsk

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