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DeliveryNotificationOptions Enumeration

Describes the delivery notification options for e-mail.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

Namespace:  System.Net.Mail
Assembly:  System (in System.dll)

[FlagsAttribute]
public enum DeliveryNotificationOptions

Member nameDescription
NoneNo notification information will be sent. The mail server will utilize its configured behavior to determine whether it should generate a delivery notification.
OnSuccessNotify if the delivery is successful.
OnFailureNotify if the delivery is unsuccessful.
DelayNotify if the delivery is delayed.
NeverA notification should not be generated under any circumstances.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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