Note Form submissions will always be saved in the database whether or not the email was sent..
quick look in SPAM folder will tell you if the emails being routed into the folder.
Set Reply-To to email.
If you find that emails are not being sent, you should first confirm that you have completed all of the in Form Settings > Email section.
Next, be sure to set Reply-To to email that exists on the domain as your WordPress site..
Set Sender to email that exists on the domain.
In to Reply-To header, some hosts require that Sender header is also set to email that exists on the domain.
By default, Sender email is set to either your admin email if the domain matches.
To change this behavior to use email that exists on the domain, you will need to set Sender Mail Header on Visual Form Builder > Settings page..
It's possible your server is attempting to send the emails but can't for missing mail resources, security, SPAM filtering, or other technical problems...
Read more
Related items:
