In <[email protected]>, on 02/12/2012
   at 06:02 PM, "Bank Security" <[email protected]> said:

>Sigh++.  If you'd looked at the message you were complaining about,
>you'd have seen a valid DKIM signature with d=banqofamerika.com.

Indeed, but neither DKIM nor SPF is relevant.

>You
can't tell whether that's a phish or a joke 

That's because DKIM doesn't provide for the functionality, not because
it can't be done.

>without external knowledge about the domain.

A TXT RR containing a public key would be external knowledge of the
domain.

>As Murray says, speculation about the design of reputation systems
>or of other kinds of authentication are utterly out of scope here.

Then we should be neutral with regard to future technology, not
preclude it.

>PS: Any replies to this message MUST be sent to both the list and
>me.

Then why isn't there a ReplyTo header field?

-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     Atid/2        <http://patriot.net/~shmuel>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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