Fields filled in by sender.

• JMSCorrelationID - correlated message identifier

• JMSReplyTo - suggested reply destination

• JMSType - message type understood by recipient

Fields controlled by sender.

• JMSDestination - message recipient

• JMSExpiration - message lifetime

• JMSPriority - message priority

• JMSDeliveryMode - PERSISTENT or NON_PERSISTENT

• JMSDeliveryTime - earliest message delivery time

Fields filled in by middleware.

• JMSMessageID - unique message identifier

• JMSTimestamp - message timestamp

• JMSRedelivered - repeated delivery indication