[Mailman-Users] Automated Subscription Bots Inundating List Owners With Subscription Requests

[Ralf Hildebrandt]

* Brad Knowles <brad at shub-internet.org>:
> On Oct 22, 2012, at 5:40 PM, Stephen J. Turnbull <turnbull at sk.tsukuba.ac.jp> wrote:
> 
> > I'm dubious about the net value of CAPTCHAs.  Personally, I generally
> > take a CAPTCHA as a "NO TRESPASSING -- THIS MEANS YOU!" sign, and
> > don't go back.
> 
> CAPTCHAs are already at the point where advanced code can apply statistical methods and solve them faster and better than many humans.

I recently got 30 new comments on my blog, all of which were spam.
And of course I'm using a CAPTCHA there. So Brad's point is probably
valid.

-- 
Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebrandt at charite.de        Campus Benjamin Franklin
http://www.charite.de              Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155