How to list email accounts and their disk usage

Introduction

You may need to list all email accounts on the server and their disk usage. This can be done with the UAPI and a Bash loop.

Procedure

1. Access the server's command line as the 'root' user via SSH or "Terminal" in WHM.
2. Run the following command.

   find /var/cpanel/users -type f | cut -d"/" -f5 | while read cpusername; do uapi --user=$cpusername Email list_pops_with_disk|egrep 'email|humandiskquota|humandiskused';done

Additional resources

How to use a while loop in BASH to iterate over all cPanel users on a server

Return email accounts with disk information