Delete reCAPTCHA integration keys in order to send message

Where can we see the website in question?

https://www.chamailidis.gr/contact/

• This reply was modified 3 years, 2 months ago by George Stavropoulos.

What other plugins and theme do you use on the site?

Hello.
Plugins:

Contact Form 7 
Contact Form 7 Multilingual
Contact Form CFDB7
Facebook for WooCommerce
MainWP Child
MainWP Child Reports
MC4WP: Mailchimp for WordPress
One Click Demo Import 	
Popup Builder 	
Redux	
Slider Revolution 	
ThemeSky 	
The SEO Framework 	
UpdraftPlus - Backup/Restore  	
WooCommerce 	
WooCommerce Multilingual	
WP-Optimize - Clean, Compress, Cache 	
WPBakery Page Builder	
WPML Multilingual CMS	
WPML String Translation 	
YITH WooCommerce Wishlist

Theme:
Drile

Try switching to the default theme, deactivating all plugins excluding Contact Form 7, and clearing all cache data.

Why you are advised to deactivate plugins and switch to the default theme.