Email address to which to send a delivery notification.
def get_delivery_notification_to() -> str: ... def set_delivery_notification_to(value: str) -> None: ...
delivery_notification_to = property(get_delivery_notification_to, set_delivery_notification_to)
This property contains the email address to which to send a delivery notification. When set, a Return-Receipt-To header is added to the message. This property should be set to an email address that can receive the delivery notification.