A deadletter queue contains messages that couldn’t be dispatched. It’s my preferred term, but if I had to censor it at gunpoint and pick a euphemism, it’d proba

A deadletter queue contains messages that couldn’t be dispatched. It’s my preferred term, but if I had to censor it at gunpoint and pick a euphemism, it’d probably be “exception file” because that’s where batch processes traditionally copy input records that failed.