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