To create an automated subscription group:

Choose Addresses > New Subscription Group...

Type the name of the subscription group and a brief description of whom the group is for. This information will appear on the web page that people will use to subscribe to or unsubscribe from the group.

Type the name, email address, and postal address of the "owner" of the group (i.e. who maintains the group). The name and email address will appear on the web page that people will use to subscribe to or unsubscribe from the group. Postal address is not shown, but should be included in outgoing emails as per the United States CAN-SPAM act.

Click OK.