Roundcube: Connection to storage server failed.

==== Required information ====
- iRedMail version: iRedMail-0.8.6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MYSQL
- Linux/BSD distribution name and version: x86_64 Ubuntu 12.04.3 LTS
- Related log if you're reporting an issue:
====

====
Dovecot.log: http://pastebin.com/HrSnzBWD

# id vmail
# ls -dl /var/vmail
# ls -dl /var/vmail/vmail1
# dovecot -n

http://pastebin.com/j6E5UkAu

====

So this is a first time install of iRedMail and I've never configured a mail server before so some help would be great.

When I log into Roundcube i get Connection to storage server failed.