प्लगिन ट्याग: wordpress spam blocker
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WP Contact Form7 Email Spam Blocker
Contact Form 7 Email Spam Blocker is an easy-to-use plugin to block all those spammers who manually fill out forms on your website.
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Email Validation Filter for Contact Form 7
Added mail validation function to Contact Form 7. Protected by rejection filter, RFC filter, and DNS filter.