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Re: [ietf-dkim] draft-lindsey-dkim-mailinglists

2010-09-17 06:29:11
On Thu, 16 Sep 2010 00:45:09 +0100, Hector Santos <hsantos(_at_)isdg(_dot_)net> 
wrote:

Filename:     draft-lindsey-dkim-mailinglists

Abstract:
It is proposed that a Mailing List Manager (MLM) may, under
certain circumstances, replace the From header field of a message
before forwarding it in order to prevent its being discarded by
over-zealous DKIM verifiers/receivers.

Real good Charles.

My nit would be it lacks a security section.  I think you need to
provide a rational why this proposal ... whats the proper word here,
pick one

       violates, ignores, skips, circumvents

the security framework policy attempts to provide for the author domain?

But I don't think it does. You don't do any of the things I am suggesting
unless you have already established there was a valid author doain
signature when it arrived, AND created an A-R to record the fact AND
re-signed.

Of course if you are a malicious MLM, you might have invented the whole
thing, but that is already possible.

There are already plenty of phishes coming from 
ebay(_at_)ebay(_dot_)com(_dot_)cn, so one
coming from ebay%ebay(_dot_)com(_at_)mlm(_dot_)cn(_dot_)

So I don't see that I have created any security loophole that was not
already there.



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Charles H. Lindsey ---------At Home, doing my own thing------------------------
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