This policy setting controls whether Outlook sends signed messages as clear text signed messages.If you enable this policy ...

This policy setting controls whether Outlook sends signed messages as clear text signed messages.If you enable this policy setting, the "Send clear text signed message when sending signed messages" option is selected in the E-mail Security section of the Trust Center.If you disable or do not configure this policy setting, when users sign e-mail messages with their digital signature and send them, Outlook uses the signature's private key to encrypt the digital signature but sends the messages as clear text, unless they are encrypted separately.

This policy setting controls whether Outlook prompts users before executing a custom action. Custom actions add functionality ... This policy setting controls whether Outlook requires digital signatures on all outgoing e-mail messages.If you enable this ... This policy setting controls whether Outlook requires labels on S/MIME signed messages.If you enable this policy setting, ... This policy setting controls whether Outlook sends S/MIME receipt requests with S/MIME signed messages.If you enable this ... This policy setting controls whether Outlook sends signed messages as clear text signed messages.If you enable this policy ... This policy setting controls whether Outlook should ignore external references during shutdown.If you enable this policy ... This policy setting controls whether Outlook subscribes to the Common Feed List, which is made available to multiple RSS ... This policy setting controls whether Outlook users can add entries to the list of SharePoint servers when establishing a ... This policy setting controls whether Outlook users can demote attachments to Level 2 by using a registry key, which will ...