Gets or sets the SMTP delivery method. The default delivery method is Network.
Assembly: System (in System.dll)
Valid values for this property are Network, PickupDirectoryFromIis, and SpecifiedPickupDirectory. These values have configurable sub-items and have a corresponding section in the System.Net configuration file. All the sections are camel-cased, to allow the users to match the delivery method with their corresponding section names.
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.