This policy setting controls whether replies and forwards to signed/encrypted mail should also be signed/encrypted.
If you enable this policy setting, signing/encryption will be turned on when replying/forwarding a signed or encrypted message, even if the user is not configured for SMIME.
If you disable or do not configure this policy setting, signing/encryption is not enforced.
Registry Hive | HKEY_CURRENT_USER |
Registry Path | software\policies\microsoft\office\15.0\outlook\security |
Value Name | nocheckonsessionsecurity |
Value Type | REG_DWORD |
Enabled Value | 1 |
Disabled Value | 0 |