Microsoft released Service Pack 2 for it Office 2003 product line today.
In this update Outlook supports a new Offline Address Book format (OAB4), Phishing protection, ability to force cached mode.
From the notes: To enable phishing protection, you need both Office 2003 SP2 and the latest Outlook 2003 Junk E-mail Filter Update. Once both are installed, Office 2003 SP2 has phishing protection turned on by default.
Office 2003 SP2
http://www.microsoft.com/downloads/details.aspx?familyid=57e27a97-2db6-4654-9db6-ec7d5b4dd867&displaylang=en
Outlook 2003 Junk email filter
http://www.microsoft.com/downloads/details.aspx?familyid=3fd48098-97f4-4173-9ba7-eef85bf5c935&displaylang=en
- Joel