Contact form 7 prevent duplicate submissions

[wpaddonsParticipant]

We need to install two plugins. Install contact form 7 database add-on https://wordpress.org/plugins/contact-form-cfdb7/ and duplicate control add-on (contact form 7 prevent duplicate submissions)

CFDB7 Unique Field – Trigger error if a field is already submitted – Contact form 7 addon

Demo : https://woo.ciphercoin.com/unique/
Contact form 7 prevent duplicate emails in demo. I added email as unique field. So you can see error message email already exists if submitted same email again. This plugin is helping to limit submissions.

 

How to limit duplicate submissions ?

Just add unique shortcode after submit button shortcode. Example: [unique email, your-phone]

[Author]

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