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True. I guess I was thinking about something like DuGris's Captcha class (SecurityImage). Something which could administer the traffic with the Akismet server and which would potentially have an interface, to drop in keys and stuff. And which could then be called with an easy hack from the routines that validate posts and write them to the database in the different modules. They work, of course, all slightly different, so it's probably not possible to implement it centrally, without hacking each of them. Would be nifty, though, to have it in "comments."
DuGris's captchas work great, but Akismet's behind the scenes approach is just plain cool. Kiss good bye to them dirty spammers, without having to explain an extra step to your users. I'm getting considerable amounts of spam on my Wflinks. It's always required admin approval. Don't those #OOPS#s ever learn their #OOPS# just doesn't get onto my page anyway? Well, I guess it's just too cheap to submit spam.