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How can a sender indicate when a message should be considered stale and thus shouldn’t be processed?
Set the Message Expiration to specify a time limit how long the message is viable.
Once the time for which a message is viable passes, and the message still has not been consumed, then the message will expire. The messaging system’s consumers will ignore an expired message; they treat the message as if it where never sent in the first place. Most messaging system implementations reroute expired messages to the Dead Letter Channel, while others simply discard expired messages; this may be configurable....
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