[91328] in North American Network Operators' Group

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open letter to earthlink & comcast please publish SPF data

daemon@ATHENA.MIT.EDU (Mark Jeftovic)
Mon Jul 17 16:02:05 2006

Date: Mon, 17 Jul 2006 16:01:23 -0400
From: Mark Jeftovic <markjr@easydns.com>
To: nanog@merit.edu
Errors-To: owner-nanog@merit.edu



earthlink.net addresses are among the forgery addresses of choice for 
spammers, they are right up there with hotmail.com

I think a very high percentage of the pinksheet pump and dump spams and 
the viagr*, enl*rgment, etc spams have fake earthlink.net addresses in 
the From headers

So how about publishing some SPF data on your earthlink.net domain so 
those so inclined can use it toward reducing the ungodly amounts of 
backscatter you guys must get (and which causes you to tarpit other 
carriers and forwarders)

Same goes for comcast.

Even a softfail ~all will help out buckets.

It's all but eliminated the backscatter we send to hotmail. If they can 
do it....

-mark

-- 
Mark Jeftovic <markjr@easydns.com>
Founder & President, easyDNS Technologies Inc.
ph. +1-(416)-535-8672 ext 225
fx. +1-(866) 273-2892

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