Adds duplicate email blocking and verification to Contact Form 7 to improve form security and reduce spam.
Plugin Tag: form security
-
ZigZag Image Captcha for Contact Form 7
Adds a secure, flexible image captcha field to Contact Form 7 with zig-zag protection, timer, refresh, AJAX validation, and accessibility support.
-
IP Limit Add-On for Gravity Forms
This Add-one is useful for spam prevention, you can set a limit to the Gravity Forms submissions by visitor's IP address over a custom time range.
-
Contact Form 7 Spam Killer
"Contact Form 7 Spam Killer" is a advance spam blocker that will help to prevent unwanted spam for your Contact Form 7 plugin.
