Message Delivery Modes

The JMSDeliveryMode message header field defines the delivery mode for the message. Jakarta Messaging supports PERSISTENT and NON_PERSISTENT delivery modes for both topic and queue. EMS extends these delivery modes to include a RELIABLE_DELIVERY mode.

You can set the default delivery mode for the Message Producer, as described in Configure a Message Producer. This default delivery mode can be overridden by the client when sending a message, as described in Send Messages.

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