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From: Jeremey Barrett (jeremeyrot26.com)
Date: Mon Oct 29 2001 - 11:27:13 CST
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On Mon, Oct 29, 2001 at 04:44:31PM +0000, Peter Fairbrother wrote:
> > jcnb.uam.es wrote:
> > I don't think that would work: a spammer would simply subscribe,
> > send the spam and unsubscribe afterwards (or even remain
> > subscribed and continue spamming). You blacklist them, they
> > change address and resubscribe...
> > j
> Spam software is beginning to use majordomo-type programs to join lists in
> order to get posting privileges on them (I actually read about this in some
> spam advertising spam - spam spam...). ..
A challenge-response subscription system would require a reply from
Mr. Spammer in order to subscribe... so that eliminates some spammers
right off. If Mr. Spammer wants it bad enough, maybe he subscribes
using a real (if ephemeral) address and replies to the challenge and
gets on the list. That's a possibility.
However, this scenario (Mr. Spammer uses a real address to subscribe
and actively makes sure his subscription works) works just as well
with moderated subscriptions as with an automated challenge-response
system. Is the moderator going to somehow know Mr. Spammer is a spammer,
assuming he changes his name?
Jeremey Barrett [jeremeyrot26.com] Key: http://rot26.com/gpg.asc
GnuPG fingerprint: 716E C811 C6D9 2B31 685D 008F F715 EB88 52F6 3860
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