Please see the following guide from AOL about sending an email to multiple contacts at the same time :
http://help.aol.com/help/microsites/microsite.do?cmd=displayKCPopup&docType=kc&externalId=223300
http://help.aol.com/help/microsites/microsite.do?cmd=displayKCPopup&docType=kc&externalId=223300