.NET Framework 4.6 and 4.5
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.|