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Add Hashcash spam protection to Contact Form 7.

By: Abdussamad Abdurrazzaq

(3)
Last Updated: 1 year ago
400+ active installs
Compatible up to: 3.8.7

Client-side javascript blocks all spam bots. XHTML 1.1 compliant. Now with support for WordPress Versions 3.1+

By: azizmb, , Donncha O Caoimh

(3)
Last Updated: 3 years ago
3,000+ active installs
Compatible up to: 3.3.2

Client-side javascript blocks all spam bots. XHTML 1.1 compliant.

By: , Donncha O Caoimh

(2)
Last Updated: 5 years ago
10,000+ active installs
Compatible up to: 3.0.5

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