Last night, I had to delete 98 spam comments on my blog. So I looked around for a nice solution, and found MT-Blacklist , which seems to work nicely:
This is a single archived entry from Stefan Tilkov’s blog. For more up-to-date content, check out my author page at INNOQ, which has more information about me and also contains a list of published talks, podcasts, and articles. Or you can check out the full archive.