Nikola Smolenski, 08/01/2013 13:10:
In general, as
far as we know captchas are currently not stopping
spammers at all, while effectively stopping many legitimate (less
Care to elaborate? Do we know how are spammers avoiding captchas (by
software or by humans)? How come other websites don't have this problem?
Are you kidding? All MediaWiki websites suffer from the uselessness of
its captchas.
For additional information please refer to the discussions linked from
https://www.mediawiki.org/wiki/Requests_for_comment/CAPTCHA and others
on wikitech-l.
Nemo