So I switched to reCaptcha for 1 day and we got about 20 spam accounts and 3 spam posts.
Back to Q&A as it seems to actually work.
I hope the questions really are not that hard but if you do get stuck go to Tuniacs sourceforge forum and let me know!
Back to Q&A antispam
Re: Back to Q&A antispam
Oh come on, are you sure those posts were spam? 

Re: Back to Q&A antispam
You could always try playthru: http://portal.areyouahuman.com/installation/phpbb
Supposed to be unbroken for the moment (unlike reCaptcha) and is actually fun to do
Supposed to be unbroken for the moment (unlike reCaptcha) and is actually fun to do

Re: Back to Q&A antispam
Hmm perhaps.
Are you sure its effective? :p
Are you sure its effective? :p
Re: Back to Q&A antispam
The most effective way is probably to add some custom validation, like just an extra textbox and the question "are you a bot (type no)?". Then only allow people writing no.
No one is going to bother targetting this forum specifically.
No one is going to bother targetting this forum specifically.