On Fri, Nov 10, 2006 at 01:25:46AM +0800, W B Hacker wrote:
> Chris Lightfoot wrote:
> > On Thu, Nov 09, 2006 at 04:39:21PM +0000, Ian Eiloart wrote:
> >> Well, I think that there are spam filters that are more reliable than 
> >> humans at detecting spam. That is; the spam filters get fewer false 
> >> positives.
> > 
> > That's obviously not possible.
> > 
> 
> Au Contraire.
> 
> Have you never discarded a piece of snail-mail basd on the look of the 
> envelope 
> - only to find out later that what you thought was junk was actually 
> something 
> important?  Nor opened a letter that 'looked right' - then found it obviously 
> otherwise?

If a user decides a piece of mail is spam, it's spam (if
they change their decision then obviously the most recent
decision holds). A piece of mail is not spam if a filter
thinks it's spam -- only if the recipient thinks it's
spam. The filter's decision cannot be correct if it
differs from the user's.

-- 
``The fishy glitter in his eye became intensified. He looked like
  a halibut which had been asked by another halibut to lend it a
  couple of quid till next Wednesday.'' (P G Wodehouse)

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