Well after following the instructions here http://www.gotroot.com/tiki-view_blog_post.php?blogId=2&postId=34
I’ve managed to get it so that spammers on my boards get a 403 message.
The only thing I found was that the directives had to go into the apache2 config file rather than the .htaccess file which complained “order not allowed here”. I also adjusted it so that only POST is blocked..
I’m going to run with it for a few days then I’m going to add a couple more RBLs to the list and then I can hopefully put the trackback link back in.
And for those who dont want to down load the whole of the apache source files just to compile this one little bit here is the recompiled mod_access for Apache 2.0.48