Red one

Issue URL: http://itrh.eu

CF Email to: noreply@itrh.eu

SMTP plugin installed, details:
From email: noreply@itrh.eu
Send all WordPress emails via SMTP.
smtp.gmail.com / 465
uname: noreply@itrh.eu P: match
Yes: Use SMTP authentication.
ReCaptcha: verified keys
Test email from backend : bool(true)
JS/Plugin interferrence: Passed, none
Frontend doesnt work (tried CF7 in visual composer and also as pure shortcode)

Hosted by: DigitalOcean, all settings fine, confirmation from Do that they dont block me.
NOTE: Applied prefference of IPV4 over IPV6 (http://forevercached.syphzero.net/2012/09/preferring-ipv4-over-ipv6.html) – DO must.

Can you help me?

https://wordpress.org/plugins/contact-form-7/