vptsar

Hi, thanks for you answer,

1) We use WP (4.7.13), Contact Form 7 (4.6.1) and CF7 Honeypot (1.14)

2) We have a number of plugins
Akismet Anti-Spam (4.1.1)
Contact Form 7 – Dynamic Text Extension (2.0.2)
Contact Form DB (2.10.26)
Duplicate Post (3.03)
Flamingo (1.5)
IN-Analytics(0.4.1)
WPBakery Visual Compose (4.12)
Yoast SEO (4.2.1)
,but which of them might be disrupting the validation process for the forms is difficult to say

3) Yes only “Your message was sent successfully. Thanks.”