javamail imap listing

[Matthew Broadhead]

Hi,

i am using dovecot-2.2.10-7.el7.x86_64 on 
centos-release-7-3.1611.el7.centos.x86_64.

if i follow this tutorial 
https://delog.wordpress.com/2011/05/10/access-imap-server-from-the-command-line-using-openssl/ 
i can login to my server and successfully list the folders using
tag LIST "" "*"
* LIST (\HasNoChildren) "." INBOX
tag OK List completed.

no folders are listed using
tag LIST / "*"
tag OK List completed.

when i request a folder listing using JavaMail it similarly sends the 
following command and no folders are listed
a97 LIST / "*"
a97 OK List completed.

if i follow the tutorial again and use my gmail account instead of my 
dovecot installation i can successfully list folders using both methods
tag LIST / "*"
* LIST (\HasNoChildren) "/" "youtube"
tag OK List completed.

is there some way to make dovecot list folders when it receives the command
LIST / "*"

i note that in the listings my dovecot installation has "." in the 
middle and gmail has a "/"