A.User Name
B.Summary
C.Old Status
D.Target
Answer: A,B
Explanation:
SMTP notification event details users username and summary to send email when the alarms are
sounded off by events.
Reference:https://pubs.vmware.com/vsphere-4-esxvcenter/
index.jsp?topic=/com.vmware.vsphere.dcadmin.doc_41/vc_client_help/working_with_alar
ms/c_email_notifications_as_alarm_actions.html