Before the process component delivers the message to an outgoing destination, it marks in the message that all system exceptions should be returned to the caller for processing.

流程组件将消息提交给外发目的地之前，它会标记所有系统异常应返回到调用程序的消息，以便进行处理。

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"Each server does not know the source or final destination of the content, " Hill said, comparing it to a spy that delivers a secret message to a clandestine location, but who has no idea where the message ends up.

CNN: Zero-Knowledge launches anonymous access