It’s a common issue, emails sent from your website forms are not reaching the recipients. Its actually a simple fix, the issue is to send the forms the website in theory spoofs an email address via PHP Mail to send the emails out, so if you website is example.com it may send from firstname.lastname@example.org, even though this email is not set up on your server.
This means that some spam filters block the emails.
See https://en-gb.wordpress.org/plugins/wp-mail-smtp/ for more information.
So to fix you can install this plugin and configure it to use your actual email to send the website emails. You can also set up a new email address with popular free providers and use that email.
If you need any help with this issue drop us a line and we can help 😊