Akismet is no doubt one of the best plugins to avoid trackback, pingback and comment spam. It is free for WordPress sites. Paid version of this service will cost the user within 5 to 30 dollars. The pro version (security and enterprise) will give WordPress users access to the backup tool and advanced reports. They’ll also get quality support from Akismet team. Once you install Akismet...
Best free akismet alternatives that you are not aware of
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