Same is the case with mine.. `Our Website is https://news4masses.com
Even though there is no error and the contact form submits successfully but there is no email that is received. Earlier it was working fine. Tried all possible solutions and finally replaced some forms with embedded Mail chimp now.
The one specific one that uses Contact Form 7 can be seen here:
https://news4masses.com/submit-your-product-service-brand-for-n4m-review-publishing/
Pls see if someone can help..
Best Regards
R Husain`
