Here are some steps that you can follow to troubleshoot the problem:

1. Check to see if your cellular data or Wi-Fi is on and providing the necessary connection.


2. Check if your email account is both active and configured for email syncing.


3. Check if your data connection or Wi-Fi is blocked by a firewall.


4. Ensure that your device is up-to-date with the latest firmware.


5. Check to see if you have any spam or junk mail filters.