Description
Currently as messages are dead-lettered, the context is kept in a collection of events known as x-deaths. Headers exchange cannot match collections and therefore cannot be used with x-deaths.
Some would like to have original dead lettering to be a top-level set of headers as well, e.g. x-original-death-reason, x-original-death-queue and so on. This way such messages can be routed using a headers exchange.