In a recent post to the CatsWhoCode.com site Alex Denning takes a look at ten ways you can help stop those dreaded comment spammers on your WordPress blog.

Spam is a nuisance, and as bloggers, we have all experienced a flood of spam every now and then. Not only is it a pain, but it can slow down your blog and use up your resources. In this post we’ll look at ten ways to combat spam.

Here's his list of suggestions - some can be combined with others to give you additional protection:

• Install Akismet
• reCAPTCHA
• Ask your readers to do 1+1
• Stop spam trackbacks
• Make users login to comment
• Ban spammers by IP
• Ban spammers by IP, on a massive scale
• Deny comment posting to no referrer requests
• Stop content theives
• Stop spammers stealing your images