Tony Hansen wrote:
I'd be quite happy if it were dropped. I'm not demanding it, however, if
people can come up with reasonable language.
I'd still like to at least say something. I think the absence of MUA
recognition of this header is an issue. We can add as many warning headers as
we want to spoofed messages, but if the MUAs don't do anything with that
information then the utility of the headers' contents is crippled.
How about something like:
Legacy MUAs
An important factor to the usefulness of this proposal is adoption
by Mail User Agents (MUAs) of some method by which the information
the headers contain is relayed to users to indicate the validity
of the message. The lag time between publication of this standard
and widespread adoption by MUAs will require careful consideration
by those making use of authentication methods which relay their
results using this header.
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