多项选择题
A.Create a Subscription Management interface that will allow customers to modify their recipient lists.
B.Create a custom Notification Services Content Formatter to send an e-mail message to customers when their survey results are available.
C.Create a custom Notification Services Event Provider to send an e-mail message to customers when their survey results are available.
D.Create a Notification Services custom delivery protocol to send an e-mail message to customers when their survey results are available.
E.Create Notification Services Event rules to send an e-mail message to customers when their survey results are available.