Setting Consistent Outlook Cryptography Options for an Organization
You can control many aspects of Microsoft Office Outlook 2003 cryptography features to help configure more secure messaging and message encryption for your organization’s needs. To help control these features, you specify settings in the Windows registry or through policies. For example, you can set a policy to require a security label on all outgoing mail or a policy to disable publishing to the Global Address List.
A number of Outlook cryptography registry settings have an equivalent setting on the Security tab in the Options dialog box (Tools menu) or other user setting. ...