well, there may be spammers as well as the people contributing and sharing really useful information through blog commenting.You need to manage properly. Do not spam useful information sharing.
I've found that the comment spam was overwhelming, so I turned off comments on my blog.
I see that a lot of web sites use Disqus - has anyone tried this ? Does it automatically reduce spam, or do you still need to do a lot of manual labour ?
yes. you are right,I think people will be more interested to visit your blog if you allow comments.
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