DTOO215 - Read signed email as plain text must be enforced.

Information

Outlook can display email messages and other items in three formats: plain text, Rich Text Format (RTF), and HTML. By default, Outlook displays digitally signed email messages in the format which they were received.

Solution

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Preferences >> E-mail Options 'Read signed e-mail as plain text' to 'Enabled'.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Outlook_2016_V2R3_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-251865r811186_rule, STIG-ID|DTOO215, STIG-Legacy|SV-57685, STIG-Legacy|V-44851, Vuln-ID|V-251865

Plugin: Windows

Control ID: 98db55305b2e3095e750e6c494cb339b870a9216cb01c620cbb7990653777124