I wrote about comment spam I was getting on my blogs a while ago. I didn’t bother to do anything about it, but last week it just went out of hands.
I used to get about 250 spam comments everyday on both mehtanirav and TrustAndFreedom. The Magnet blog also gets lot of spam.
I didn’t want to install a Captcha on the blog as the server does not have GD support. And I found WP-HashCash. It’s pretty simple to setup, does not require GD, and is 100% effective! I did not have any spam for the last three days!
I strongly recommend HashCash for anybody using WordPress!

6 comments ↓
Hi,
I am using wordpress and didn’t got any spam! but they have nice anti-spam techniques.
Kartik
Hi Nirav I too had been plagued by spammers once but I installed the Spam Quiz plugin (http://www.i-marco.nl/wp/wordpress/) and I have since enjoyed a spam free blog.
What Spam Quiz does is, ask a simple random question from your specified list of questions and once the user answers the question, he can comment.
I initially used some spelling and such questions but am now using it to ask simple math question. It works!
And oh… I love your blog.
Regards.
Thanks for the reference Shashank. I did not want to add an extra step in the comment process. Wanted to make it seamless for actual visitors! Hence opted for HashCash.
And thanks for the second last line
Hmmmm…. I was typing a comment took a break and my comment disappeared!
You can also try Akismet
I checked out Akismet.. It said you need a key from wordpress.com - I don’t have a wordpress.com account so I didn’t move forward. Now I may be wrong, but that’s what I understood from their site!
Yes you need a key and for that you need a wordpress.com account - but the account is free and the hassle is worth it. I recently created an Akismet addon for Pixelpost Photoblog and I was impressed more so as to how it did not flag my test SPAM as SPAM but managed to catch every real one.
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