I guess the administration here now has to go to the strict measure like CGTalk where a new users posts have to be approved by a mod. until he has two posts.
The spambot coders caught wind of the measure where new users can’t post links so now they’re making their bots post a lot more to put in advertising links in their posts.
CGTalk’s method may be the only one that will work, they never have spambots with visible posts, new users can’t make visible posts at all period until 2 posts have been approved.
ok, now I know, why my posts with links get never checked/aproved by an admin.
Guess they have a hard time to go through all this bot posts.
But I think it will be the same difficulty for the admins to releas all the first and second posts of new users.
Or in text form question:
i.e. >The color of grass is; (green)
i.e. >1979 + 12 is for fun, just type here the result of 1 plus two; (3)
When these questions cna be randomised, or frequently updated,
it should be able to keep a lot of spambots away. Especially combined with a (simple) captha.
This could be used with every first X (15?) posts and every new registration.
Furthermore, it would be relatively easy to bypass that functionality, especially considering that recaptcha has been compromised. I would not expect this system to maintain forum security for very long.