send_async_mdn Method
Sends the MDNReceipt to the RemoteURL specified.
Syntax
def send_async_mdn(remote_url: str, mdn_receipt: bytes, mdn_receipt_headers: str) -> None: ...
Remarks
This method sends the asynchronous mdn_receipt to the RemoteURL specified. It need not be invoked if the prior call to send_response was successful. The RemoteURL, MDNReceipt, and MDNReceiptHeaders parameters should be the ones that were retrieved from receipt_delivery_option and mdn_receipt's Content and Headers properties respectively.
If the RemoteURL requires SMTP transfer, the appropriate SMTP settings should be set using config.