Yes, more details would be interesting. The most efficient way to 
communicate those to the group would be to create a document that 
details your approach.
OK.  Since several of the other ASRG documents are in PDF format, I'll 
take that as tacit approval of using LyX and outputting a PDF for 
this.  :)  Something tells me that the official I-D format is a bit 
too high-maintenance at this stage.
I've uploaded the initial version of the document here:
        http://www.chromatix.org.uk/temp/email-authentication-00.pdf
There's a formatting problem in one place there, but that seems to be a 
LaTeX bug which I'm not really awake enough to chase just now.  The 
meaning should be clear.
--------------------------------------------------------------
from:     Jonathan "Chromatix" Morton
mail:     chromi(_at_)chromatix(_dot_)demon(_dot_)co(_dot_)uk
website:  http://www.chromatix.uklinux.net/
tagline:  The key to knowledge is not to rely on people to teach you it.
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