Distribution lists are groups of user's that allow you to send an email or letter to all the people in the distribution group at once.
Viewing and editing a distribution list:
From the main menu select Communications
4 Emails 4 Distribution Lists 4
Manage Lists.
The List of Distribution Lists
page will display.
Find the list you want to edit and click the Edit icon 
in that row.
The Edit Distribution List
page will display.
In the Title field you can change the name for the list.
Use the fields in the Filter
area to find the users you want to add to the distribution list, clicking
the Apply Filter button for each
filter selection.
When you click Add Filter the
Filtered Users list will change
to only show those who fit your criteria.
Click Add
to add the employees in the Filtered
List to the distribution list.
A message will display telling you the list has been created.
Click Back to return to the List of Distribution Lists page.
See also:
How to add a new distribution list
How to set up a scheduled letter posting