If you do not receive email notification of your messages please follow step by step

1. Go to Front-end settings page of messages and see if “Email me when I get new messages?” checked
2. Check if normal email can send from your website (eg. register, lost password email etc).
3. If you use any SMTP plugin, see your SMTP plugin setup and Dashboard > Front End PM PRO > Emails > From Email is same.
4. If you do not use any SMTP plugin, please check if Dashboard > Front End PM PRO > Emails > From Email is same domain email. Eg. if your website is example.com then from email will be name@example.com. Also please check if your email exists. If not create that email address.
5. Go to Dashboard > Front End PM PRO > Emails and check all the fields are filled. Eg. Message subject, Message content.
6. Check your Junk/Spam folder also if your email notification ended in there.

Send again a message and check if it is working.