pub fn update_undeliverable_envelope_for_casting(
envelope: Undeliverable<MessageEnvelope>,
) -> Undeliverable<MessageEnvelope>Expand description
Update a cast undeliverable with the original sender recorded in its headers.
pub fn update_undeliverable_envelope_for_casting(
envelope: Undeliverable<MessageEnvelope>,
) -> Undeliverable<MessageEnvelope>Update a cast undeliverable with the original sender recorded in its headers.