Re: [Asrg] DNS-based Email Sender Authentication Mechanisms: a Critical Review

Steve Atkins <steve@blighty.com> Sun, 24 May 2009 16:10 UTC

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Subject: Re: [Asrg] DNS-based Email Sender Authentication Mechanisms: a Critical Review
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On May 24, 2009, at 12:58 AM, Amir Herzberg wrote:

> Hi guys, I wrote a `critical review' of SPF, DKIM and Sender-ID  
> Framework (SIDF); it's in process of publication at `computer &  
> security`, you can see it at http://dx.doi.org/10.1016/j.cose.2009.05.002 
>  (pending editing, final changes etc.). Nothing much new, just an  
> attempt to provide a fair-yet-critical survey, hopefully to help  
> clarify this important subject. Comments will be most welcome.  
> Abstract below.

I'm not going to pay $31.50 to review someone's work. Nor is anyone  
else, I suspect.

Cheers,
   Steve


>
> Amir Herzberg
>
> Title: DNS-based Email Sender Authentication Mechanisms: a Critical  
> Review
>
> Abstract
>
> We describe and compare three predominant email sender  
> authentication mechanisms based on DNS: SPF, DKIM and Sender-ID  
> Framework (SIDF). These mechanisms are designed mainly to assist in  
> filtering of undesirable email messages, in particular spam and  
> phishing emails.We clarify the limitations of these mechanisms,  
> identify risks, and make recommendations. In particular, we discuss  
> potential abuse of these mechanisms to facilitate DNS poisoning, and  
> suggest countermeasures.
>
> -- 
> Amir Herzberg
> Associate Professor, Dept. of Computer Science
> Bar Ilan University
> http://AmirHerzberg.com
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