1) Open WorldPosta control panel.
2) Click on Distribution Lists in Hosted Organization section.
3) Click on Create New Distribution List, in the upper right corner.
A new page will appear,
A) Enter the name for the Distribution List.
B) Enter the address of the distribution list, and select the domain (if you have multiple domains).
C) Select the user who will manage this list (You can choose from the list by clicking on Lookup User).
D) Click on Create Distribution List when you finish.