Specifies how email messages are delivered.
Assembly: System (in System.dll)
Email is sent through the network to an SMTP server.
Email is copied to the pickup directory used by a local Internet Information Services (IIS) for delivery.
Email is copied to the directory specified by the SmtpClient.PickupDirectoryLocation property for delivery by an external application.
Use the SmtpClient.DeliveryMethod property to specify the delivery method.enumeration as a parameter to the
Available since 2.0