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AuthenticationSource enumeration

The AuthenticationSource enumeration indicates the type of authentication that was used for the connection to the remote server.

Namespace:  Microsoft.Exchange.Data.Transport.Smtp
Assembly:  Microsoft.Exchange.Data.Transport (in Microsoft.Exchange.Data.Transport.dll)

Syntax

'Declaration
Public Enumeration AuthenticationSource
'Usage
Dim instance As AuthenticationSource
public enum AuthenticationSource

Members

Member name Description
Anonymous The authentication type could not be determined. This usually means that the connection is from the Internet.
Organization The remote server authenticated as a server in the organization.
Partner The remote server authenticated as a delegated partner.

Remarks

Transport agents can use the AuthenticationSource enumeration to determine whether the remote server is an anonymous, an interorganization, or a partner server.

See also

Reference

Microsoft.Exchange.Data.Transport.Smtp namespace