Smart Delivery Failure Detection V1

Post-delivery telemetry: carrier marked the gift delivered to the recipient's old employer office. The office mailroom signed for it, the recipient never acknowledged it, and the sender later learned the recipient changed jobs la…

Flag this as a silent wrong-address failure caused by stale employer data. The mailroom signature is not a success signal because the gift almost certainly went to the wrong office.

Post-delivery telemetry: carrier marked the gift delivered to the correct office, recipient accepted it according to the mailroom log, but the gift arrived two days after the event and the sender reported the moment was lost. Que…

Classify this as a logistics-timing failure, not an address-selection miss. The destination was likely correct, but the delivery timing undermined the use case.

Post-delivery telemetry: carrier says delivered to concierge, recipient never acknowledges it, sender follows up twice with no reply, and building-level history shows prior concierge deliveries have a 98 percent acceptance rate. …

Do not classify this as a confirmed delivery failure yet. The delivery path is historically reliable, so recipient silence alone is not strong enough evidence.