Application Serial Number 10/683624 may also be of interest
to this working group.
"Reducing Unwanted and Unsolicited Electronic Messages by
Exchanging Electronic Message Transmission Policies and
Solving and Verifying Solutions to Computational Puzzles"
Which includes:
1. In a receiving domain that is network connectable to one or more
sending domains, the receiving domain including one or more receiving
messaging servers configured to receive electronic messages from
sending domains, a method for determining a sending domain's
electronic message transmission policies, the method comprising:
an act of receiving an electronic message from the sending domain; an
act of receiving one or more electronic message transmission policies
corresponding to the sending domain;
an act of parsing relevant electronic message transmission policies
from the one or more received electronic message transmission
policies;
and an act of providing the relevant electronic message transmission
policies to a message classification module such that the message
classification module can make a more reliable decision when
classifying the received electronic message.
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And which John Levine has summed up with "That would cover SPF,
Caller-ID, Sender-ID, and lots more."