Why are Gravity Forms notifications not appearing in my Inbox?
Step 1: Activate Mail SMTP
click Activate. After the plugin is activated, go back to your dashboard and hover your mouse over the word Settings and click on Email.
Fill out the following fields with the information below:
- SMTP Host: smtp.mailgun.org
- SMTP Port: 25
- Encryption: Use TLS encryption
- Authentication: Yes: Use SMTP authentication.
- Username: postmaster@mg.gsu.edu
- Password: 21f83301abadb82359a60a27b2d4ee10
After you fill in the information above, click save changes.
Finally, send yourself a test e-mail. If the email does not come to your inbox, recheck the fields above to confirm the information is correct.
Step 2: Check Your Notification email in Gravity Forms
To do this, go to your dashboard. Next, click on the word Forms on the left-hand side of the screen. Find the form that's not sending notifications and click the word "settings"> "notifications under the title. 
Under the word Admin notifications, click "edit". Check the field that says "send to e-mail" and confirm that email address is correct.
Under the word Admin notifications, click "edit". Check the field that says "send to e-mail" and confirm that email address is correct.