# `mix vic.outbox.dead_letters`
[🔗](https://github.com/blackuprise/vicander/blob/v0.1.1/lib/mix/tasks/vic.outbox.dead_letters.ex#L1)

Lists events the outbox gave up delivering (infrastructure failures that kept recurring).

    mix vic.outbox.dead_letters            # unresolved ones
    mix vic.outbox.dead_letters --all      # include kept and discarded ones

Resolve them with `mix vic.outbox.replay ID` or `mix vic.outbox.discard ID`.
Business rejections are not dead letters; they are recorded in `event_deliveries`.

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*Consult [api-reference.md](api-reference.md) for complete listing*