Anyone who has owned a blog using some standard blogging software will have dealt with horrible spam at sometime. It’s a frustrating and time consuming annoyance, and many people give up to the torrents of spammed comments or trackbacks. Obviously there must be some economic reason for spammers to continue, but I do (and I’m sure that you too) hope they pay dearly for it in karmic retribution later in their life.
I’ve tried several attempts to stop spammers, but most techniques require additional work. I considered the Captcha plugin, that is a popular tool many people adopt, but forces real commenters to work more (by typically reading an image and inputting some numbers or characters) and reduces the accessibility of your website.
My most recent attempt which seems to be working (so far) is the Akismet plugin for WordPress. For other wordpress users out there, I suggest giving it a go.