Cpanel Mail Server

To see the current mail server setup on the Cpanel server, run

[root@server78 ~]# /scripts/setupmailserver --current
Current mailserver type: dovecot
Current storage format: maildir or mdbox
[root@server78 ~]#

Cpanel Provide Following Mail servers

SMTP: exim
POP/IMAP: courier, dovecot

Roundcube mail logs in Cpanel

tail -f /var/cpanel/roundcube/log/errors

See exim mail server, Cpanel Server