Describes the delivery notification options for e-mail.
This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
Assembly: System (in System.dll)
Notify if the delivery is delayed.
A notification should not be generated under any circumstances.
No notification information will be sent. The mail server will utilize its configured behavior to determine whether it should generate a delivery notification.
Notify if the delivery is unsuccessful.
Notify if the delivery is successful.
Available since 2.0