On 12 Aug 2005, at 2:26 PM, James Scott wrote:
You might like to note that the IETF MASS pre-working group is currently discussing just such a proposal, called DKIM. This is based on an amalgamof Yahoo Domain Keys, and Cisco Identified Internet Mail. Refer to http://mipassoc.org/mass/ for further details.
Actually, you should look at <http://mipassoc.org/dkim/>, which is the present accurate place. The above will redirect you to the latter, but it's better to go to the latter.
Jon