In this tutorial, you will learn how to set up Disqus, a tool for web comments and discussions.
This will help you avoid spam comments because of its full spam filtering. Here's how you can set it up on your blog.
Go to Manage Blog
Click Comments
Click Disqus
Click Upgrade
Click (don't have a Disqus Profile yet?)
Enter required details
Click Signup
Select "I want to Install Disqus on my site"
Enter Blog URL and Category
Click Create Site
Go back to your blog admin panel and go to Comments > Disqus
Enter the email and the password used in the Disqus signup form
Click Next
Select Website
Click Next. You should receive an Installation Confirmation.