An email or letter of apology regarding incorrect delivery address. It states the cause for the mistake and the immediate actions being taken.
Please accept our profound apologies for delivering [Products] to the incorrect delivery location. [The [Products] you ordered [order no.] on [date] are being sent to you right now and should arrive at the correct delivery location by [date].]
[When we investigated the cause, it was purely due to a [our clerical error] / [shipper’s error] / [mix up at our freight company] and we have tried to remediate immediately by sending you another shipment [by air] without waiting for the return of the original shipment.]