How-To Resize mailbox size in Zpanel on Ubuntn 12.04

Running a Zpanel on a Linux server and you want to resize the users mailboxes? This is how to do that.

The standard size of mailboxes in Zpanel is 200Mb

You can change the size of new mailboxes in:
Admin -> module admin -> Mail Config -> Max Mailbox Size
Remember that only new created mailboxes will have this size!

How-To Copy all in- and outgoing email of a certain domein with Postfix and Z-Panel

This instructions tells you how to make a copy of in- and outgoing emails from a certain domain server running Postfix and Z-Panel.


There are multiple domains on a (Z-Panel)server running multiple websites and email from different customer. One customer wants a copy of in- and outgoing email for 3 domains sent to a special email address.

How-To add SMTP support in Zpanel on Ubuntu 12.04

The default installation of ZPanel does not add STMP support on the default installation. Why? I don't know yet. (no time to investigate).

To add SMTP support (port 587) in Zpanel uner Ubutu 12.04 LTS follow these steps in the console (command line).

vi /etc/postfix/

Find this line

smtp      inet  n       -       n       -       -       smtpd