What's the difference between Public and Private Alerts?
Public *Public alerts must be on topic to any one of the six lists.
*You can only send two public alerts per day, per list.
*Anyone can join a public alert list.
Private *Private alerts can be about anything, and
*Private alerts can be sent as often as you like.
*With private alerts you can control whether or not the list is public as well as manage who is on the list.