List of all Emails on a Domain?

There are some locations like :

Code:

/home/$user/mail/$domain.com/ 

-- Which would show the email users that are tied to the domain that the directory is for.

As well you can use the uapi that @cPanelLauren has posted, and if you are more technically inclined you can use some regex to clean up the output

Code:

# uapi Email list_pops regex=[\[email protected]\S+] | grep -oP '(?<=email:[[:space:]])[email protected]\w+.\S+' 
[email protected] 
[email protected] 
[email protected] 
[email protected] 

Which only provides the email accounts that are tied to the cPanel account and doesn't output the other pieces of information that would normally come out of using the uapi.