On Feb 8, 3:33pm, John Levine wrote:
}
} If a spammer wants to confirm receipt, which very few of them do,
} he uses web bugs. I suppose info about the MUA might be marginally
} useful, but if I were a spammer and knew that a recipient was
} sufficiently annoyed to press the spam button, I'd take them off the
} list. I still have millions of other people to mail to, after all.
And what if you were not a spammer, but a phisher?
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