On Mon, 9 Feb 2004, Paul Jakma wrote:
> 4. never mind, for now, the huge Joe-Job DoS liability reasonably
> widely deployed C/R potentially implies. (i've already received one
> or two challenges to virus mail I never sent).
Or even just the general noise widely deployed C/R would create:
Spammers would then adapt to dictionary attacking the sender address,
and we'll all regularly receive C/R cruddage.
The general user, on receiving C/R turds, will be conditioned to
confirm them "cause otherwise my mail wont go through" - so we'll
still get our spam, even if the spammer does not successfully
dictionary attack a whitelist entry, eg support or sales
or any number of common mailboxes @localdomain or @wellknowndomain.
It'll lower spam levels alright, instead we'll get to wade through
our daily dose of challenges to figure out which are actually
Paul Jakma paul at clubi.iepaul at jakma.org Key ID: 64A2FF6A
warning: do not ever send email to spam at dishone.st
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