Internet Direct (Indy) Version 9.0.1 Beta
TIdMessage.ReceiptRecipient
Return receipt email address.

property ReceiptRecipient: TIdEmailAddressItem;
Description
ReceiptRecipient is a TIdEmailAddressItem property used to identify the address where a return receipt for the message should be delivered. Assign a blank value to ReceiptRecipient when a return receipt is not desired.