Automatic Event Handling - Manage Tasks event never executed or send out email ?

Hi All,

I've configured new HP SIM alert that I require to email me instantly for any critical issue trigerred or listed in any of my HP server infrastructure, but somehow the alert never fired up or send me any email ?

View Definition: HP Server Critical Events

Task name: HP Server Critical Events
Owner: DOMAIN\Administrator
Time filter: Business Hours
Event collection: Important Events

severity is Critical
severity is Major

System collection: All Servers

system type is Server

Action(s):

Send e-mail To:ITAdmin@DOMAIN.com
CC:
Subject:Server Critical Alerts
Message format:HTML
Encoding:ISO-8859-1

E-mail settings:

E-mail SMTP host: smtp.DOMAIN.com
Sender's email address: HPSIM@DCHP01.DOMAIN.com
Server Requires Authentication: No

Is there anything that I need to do to make surethe above tasks sending out email regularly for critical alerting system ?

Thanks.