Stop Wordpress Comment Spam

The ultimate protection: require registration
The most effective method for preventing automated comment spam is simply to change your Wordpress blog settings so that only registered users can post a comment. Since the registration process is more strict (and is yet another step that spammers are unwilling or unable to complete) requiring users to register to your blog before they can comment effectively stops all spam.
You can turn this option on in the Settings > Discussion section of your Wordpress admin. Just check the box labeled “Users must be registered and logged in to comment” and you’re done.
Of course the down side of this method is it puts a serious impediment in front of users. Most people on the internet are not going to comment if they have to fill out a form first to register (internet users are inherently lazy).
So while requiring registration is certainly effective, it can also seriously reduce the amount of comments you’ll receive.
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Comments (2)
Paul Hines16
Artificial Intelligence Marketing
I thought about Askimet but if your blog becomes popular and you begin to get 10,000 hits a month they'll start to charge you a monthly fee. My blog has just been up for 2 weeks and I'm chasing 9000 already.
Cheryl Baumgartner12
Medical Billing/Coding/Insurance
I use Askimet which catches the spam and then I just do a bulk action of 'delete permanently on the spam comments. Fortunately many of the spam comments come from the same sites.