I think it is a mistake to only consider proposals that reduce spam to
"some acceptable level".
Agreed. And I also agree that what really matters is not the
effectiveness of any particular scheme, but the effectiveness of
whatever ensemble of schemes is used.
However, it wasn't my intention to suggest that we "only consider"
proposals meeting these criteria - only that we try to establish
criteria that help us understand how to evaluate schemes relative to
one another. Actually since this is a research group I don't view it
as our job to make any firm selections between the proposals.
Keith
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