"Microsoft has released an update to Microsoft Office Outlook 2003. This update enhances the junk e-mail filter in Outlook 2003 to help provide a higher level of protection against junk e-mail. As part of Microsoft’s ongoing commitment to reducing junk e-mail on your system, periodic updates will be provided to Outlook users. This update is optional. This update provides a more up-to-date definition of messages that are considered to be junk e-mail or not junk e-mail."