[R] R-help going to become "subscriber-only"

[François Pinard]

[Dieter Menne]
>hadley wickham <h.wickham <at> gmail.com> writes:

>> Unless nabble/gmane have hefty anti-spam protection in place, spammers
>> will misuse those services.  A centralised target is just too
>> tempting.

>Works well for gmane. You must be subscribed, and you have to enter 
>a word from a blurbed what's-that-called picture.

A captcha.  See  http://en.wikipedia.org/wiki/Captcha

-- 
François Pinard   http://pinard.progiciels-bpi.ca