I have written many posts on my battles with WordPress comment spam but all that appears to be coming to a very satisfactory solution. I am now no longer using any comment spam plugins and I have stopped moderating comments on this blog.
How did I get to this enviable position? Well, it has been a long road and I have learned loads about WordPress along the way.
I upgraded from WordPress 1.2 to WordPress 1.5 (the current version) – WordPress 1.5 has a number of anti spam comment features natively built in.
Of these, I have set the number of links allowed in comments to 3 – any more than that, and the comment is auto-moderated.
I have populated the blacklist with a short list of words (just over 40) – any comments containing these words are automatically deleted – boom! No notification to me, no notification to the commenter.
I have written a custom .htaccess file which blocks a lot of potential spam commenters at the gates. Instructions on how and why I set it up are here.
And finally, I have installed Dr. Dave’s plugin Referrer Karma. I know, I know, I said I didn’t have any comment plugins, but I don’t. Referrer Karma is a referrer spam plugin which just happens to work like my .htaccess file (but much more elegantly) to block the bad guys at the gates.
The combination of these measures has allowed me to turn off moderation on the comments on my blog – and so far (one week later) no comment spam has made it through my defences. I’m not saying the war is over but, so far, I seem to have won this round.