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Re: [ietf-dkim] draft-ietf-dkim-mailinglists-02 review

2010-09-10 18:03:17

On Sep 10, 2010, at 3:46 PM, Scott Kitterman wrote:

On Friday, September 10, 2010 06:37:46 pm Steve Atkins wrote:
On Sep 10, 2010, at 2:31 PM, Scott Kitterman wrote:


I don't think it inoculates them against ADSP problems - rather
it opens them up to violations of the security model that ADSP
would like to impose.

This is only true if John is wrong and mailing lists are a vector that we 
need 
to worry about.  


Doing what you suggest would avoid the problems of legitimate
email being discarded due to ADSP/mailing list interactions at
the cost of allowing phishers to send email "from" a sender
violating the ADSP security model simply by pretending to be
a mailing list.

I happen to generally agree with him on this.

Me too. But you're breaking the ADSP security model for all
email with your suggestion. Note that neither of the examples
I gave involved me sending a phishing email via a mailing
list.

Cheers,
  Steve
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