To edit the properties of a distribution group, you must be an owner of the group.
2. In the menu on the left hand side of the screen, under General select Distribution groups.
3. Select an existing group and click the pencil icon to change its properties.
|Change basic properties about the group
(NEVER check "Hide this group..." or the group will be inaccessible)
|Change who owns the group
|Change who belongs to the group
|Change how people join the group
|Change who can send to the group
|Change how messages sent to the group are moderated
|Change which addresses send to the group
|Informative messages displayed to users while they're composing a message