SPWebApplication.EmailToNoPermissionWorkflowParticipantsEnabled property
SharePoint 2013
Gets or sets a Boolean value that specifies whether to alert users without site permissions when they have been assigned workflow tasks.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Property value
Type: System.Booleantrue if users without site permissions should be alerted when they are assigned workflow tasks; otherwise, false. The default value is true.