Blue Captcha is a powerful and customized captcha plugin that protects your WordPress site from unwanted spams and persons. The plugin is easy to setup and activate high protection against spammers, bots etc.
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Posting an email address inside your blog post increases the risk of directing spams towards email inbox. BetterAntiSpamBot is a free WordPress plugin that lets you post email address with better protection against spambots. The plugin encrypts email addresses with a dynamically generated JavaScript function.
