If your email report is not showing up in your inbox, even though there is an error occurring with a feed, it’s likely that the message is being blocked or sent to your spam folder. Our plugin uses the wp_mail() function which simply sends emails from the server your site is hosted on. Often emails sent using this method are not trusted by email clients.
You should consider setting up a third party SMTP service using a plugin like WP Mail SMTP. This will ensure that your emails are sent from a trusted server and will end up in your inbox.