On Wednesday, Mar 26, 2003, at 11:14 Europe/London, william(_at_)elan(_dot_)net 
wrote:
Do you mean that emails by spammers are different between what user 
they
are sent (personalized, etc) to and would not be classifiable as mass
mailing?
Or did you mean that users do send one email to multitude of their
friends and depending on size of isp they may very well be on the same
domain?
I meant that lots of people regularly post to multiple recipients and 
it's not a mailing list. Business mails and personal mails. If you make 
this a heuristic in a spam detection mechanism it will be next to 
useless. If you make this a *requirement* in a mail system it will 
catch almost nothing but false positives.
PS: Please try not to top post - I had to completely snip the context 
in this reply as I couldn't get it to make sense any more.
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