|Parameter Name||Description||Default Value|
|The maximum number of times WSO2 MB should attempt to redeliver a message that has not reached a subscriber. For example, when this value is set to 10, another 10 attempts will be made to deliver the message. The default value can be changed depending on your reliability requirements. Read more about message redelivery.||10|
|If this parameter is ||false|
If this parameter is true, the queue names and topic names will be validated according to the AMQP specification. When this parameter is set to
Message Queueing and Telemetry Transport (MQTT)
The Message Queueing and Telemetry Transport (MQTT) is a lightweight, broker-based publish/subscribe messaging protocol, which enables an extremely lightweight publish/subscribe messaging model. WSO2 MB 3.0.0 and later versions fully support MQTT version 3.1.0, and partially supports version 3.1.1.