This article provides a guide for reading mail in /var/spool/mail/root folder of Linux server.
New Mail in /var/spool/mail/root
While logged in as root user, you may get an alert similar to:
You have new mail in /var/spool/mail/root
Reading Mail at /var/spool/mail/root
To check and read mail stored at /var/spool/mail/root run the following command:
# cat /var/spool/mail/root
Alternatively, check this guide to remove the alerts and delete the mail at /var/spool/mail/root.