I think Vernon said it best about this topic:
As I've said before, I think that the price of admission to
this mailing list should include sufficient practical
knowledge of spam and spam defenses to not need to worry
about exposing one's address. Besides, anyone advocating
challenge-response, authentication, or any of several other
spam defenses and complains about spam as a result of address
exposure here or anywhere is either admitting practical
ignorance of the adovcated defense or saying that the
advocated defense is useless.
Anyone with reasonable knowledge of spam knows that public dicussions
are common source of email addresses for spammers and this list, if any,
would be one that spammers would monitor extremely closely (btw, I
suspect that an email inquirty I recently received from someone in
Hungary was a spammer) as a source of knowledge of the research as well
as email addresses.
So I would definitely say that if you don't have good anti-spam
processes working, don't post.
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