Given all (2)822 header fields as they are, ignoring the trace
header fields, the PRA algorithm is the only possible way to
divine a "purported responsible address" from this zoo. It's
not new, it's "read and understand RFC 822 as published 1982".
actually, no. It's a perversion of RFC 822 which contradicts both the
intent and the way it has been used in practice. PRA is a failure not
because it's patented but because it has irrepairable technical flaws.
Keith
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