1) It sounds like you are saying that, unless I expect that a receiver
is going to use that fact as a binary decision point to accept or reject
a piece of mail it is not worth expressing
Oh, no. I am trying to say that senders should stick to what they know
about. "I sign all my mail" certainly qualifies.
2) We have to build SSP assuming that people are only ever going to use
this information by itself and that they for some reason do not have
access to any other information about the sender.
Actually, I feel quite the opposite, that receivers will make their
filtering decisions based on all sorts of useful information from multiple
sources. But I still don't understand why anyone expects "I'm a phish
target" from some random stranger to be useful. If you have access to a
lot of receiver data, e.g., a large ISP, you probably know way more about
that the sender does.
R's,
John
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