North American Network Operators Group

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Re: open letter to earthlink & comcast please publish SPF data

  • From: Suresh Ramasubramanian
  • Date: Mon Jul 17 23:33:21 2006
  • Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta;; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=WeNUk4fDNOesTu/JXns7VpQxxX1Q9+9Z0ikZVPtWC/yv24YefuEONXljPmLLWLscafjOTZXbqNUomNgUfiUvVWHLRS0h85+W0svXajWENJBi5o5KbPKhFBAO1K/shB/fqg3BNAFSUbHQ++o43+W/ae4OYG6eYl5kZOeHX8hRa0A=

Earthlink was the second major ISP to [publicly] do the right thing and dump their spf records.

We, I am happy to say, were the first ISP to do that.

For more, take a look at

You seriously think SPF is going to help you do that, Mark?


On 7/18/06, Mark Jeftovic <[email protected]> wrote:

So how about publishing some SPF data on your 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.

Suresh Ramasubramanian ([email protected])