As a portal administrator, you can organize Send or Share portal members into groups, allowing authenticated portal members to send content to a specified set of portal members. Sending to a group delivers the same content to all members of the group.
You can add, edit and delete groups on the Groups tab in your Portal Administration Console at
Up to 100 members can be added to a portal member group.
To add a new group:
By clicking Edit, you can change the group name, and add or remove group members.
To add a group member, enter a member name or email into the member picker.
To remove a group member, hover over the name or email address and click Remove.
Deleting removes the group from your portal.
To delete a group, select it from the list of groups and click Delete. You will be asked to confirm the deletion.