Prevent clear signed message and attachment indexing

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\windows\windows search\preferences

Value name: preventclearsignedmsgandattachmentindexing

Enabled: preventclearsignedmsgandattachmentindexing = 1

Disabled: preventclearsignedmsgandattachmentindexing = 0

Description

This policy setting allows you to turn off the indexing of the body and attachments of clear-text signed messages. The sender, subject line, and date will continue to be indexed and searchable. If you enable this policy setting, indexing of clear-text signed messages will be turned off. If you disable or do not configure this policy setting, clear-text signed messages will be indexed and searchable.