Briefing Veritas Knowledge

How can this problem be solved?

An additional email address was added to the Veritas Cluster Server notifier resource without any other actions being taken. All but one user is receiving
notifications.
How can this problem be solved?

A.
Refresh the mailbox of the impacted user

B.
Restart the notifier resource

C.
Restart the SNMP daemon

D.
Restart the HAD daemon