thank you so much. Can you also tell me what's diffrent between x-message-tll and x-dead-letter-exchange ? -- View this message in context: http://rabbitmq.1065348.n5.nabble.com/rabbitmq-c-how-to-use-x-message-ttl-tp31127p31172.html Sent from the RabbitMQ mailing list archive at Nabble.com.