MessageSecurityType Enumeration
The MessageSecurityType enumeration specifies the security category for a message.
Namespace:  Microsoft.Exchange.Data.Transport.Email
Assembly:  Microsoft.Exchange.Data.Transport (in Microsoft.Exchange.Data.Transport.dll)
Syntax
'Declaration
Public Enumeration MessageSecurityType
'Usage
Dim instance As MessageSecurityType
public enum MessageSecurityType
Members
| Member name | Description | |
|---|---|---|
| None | Message is neither signed nor encrypted. | |
| ClearSigned | Message is signed by using Secure/Multipurpose Internet Mail Extensions (S/MIME) or Pretty Good Privacy (PGP). | |
| OpaqueSigned | Message is base-64 encoded and signed by using S/MIME. | |
| Encrypted | Message is encrypted by using S/MIME, PGP, or Microsoft Rights Management Services. |