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This post covers another of the little gems NServiceBus 4.0.0 will have when shipped. In certain scenarios you might require to either send or publish raw Xml data over the wire with messaging. NServiceBus has already the possibility to send or publish messages with large content over the databus. Basically the databus allows to enrich the messages with so called databus properties. Those properties can contain large blobs which are written from the sender or publisher into a commonly agreed folder (often a network share on the SAN storage). What is then transported to the receiver side is only a unique token information which allows the receiver to retrieve the large blob from the shared storage and propagate it again on the message. The databus is especially important when you want to send or publish information which exceeds the message size limitations of the underlying transport mechanism. For example the MSQM transport can only send about 4 megabytes of data. But what if you have small Xml raw data which you want to send or publish with the message without using the databus?