MessageType.IsDeliveryReceiptRequested property

The IsDeliveryReceiptRequested property gets or sets a Boolean value that specifies whether the sender of the item requests a delivery receipt. This property is optional. This is a read/write property.

Namespace:  ExchangeWebServices
Assembly:  EWS (in EWS.dll)

public bool IsDeliveryReceiptRequested { get; set; }

Property value

Type: System.Boolean
The IsDeliveryReceiptRequested property returns true if a delivery receipt is requested; otherwise, the property returns false.

You must set the IsDeliveryReceiptRequestedSpecified property to true so that the IsDeliveryReceiptRequested property is serialized into the Simple Object Access Protocol (SOAP) request.