Error: Unable update mailbox: mailmng failed: Empty error message from utility.

[jmironet]

Hello

I have installed a merak mail server in Plesk, when I create a new mail acount, the server show this Error: Unable update mailbox: mailmng failed: Empty error message from utility.

In a merak mail server, create a register but don't create a username.

What Can I do

regards

 

[abdi]

Please try instructions here and see if they help

http://kb.parallels.com/7014
http://kb.parallels.com/en/977