| 摘要 |
A sender creates a multi-part message having a recipient field including identifiers of recipients of the message and an identifier of the sender. The multi-part message comprises a main message having a content A. Further, the multi-part message comprises an auxiliary message, having a recipient field including identifiers of recipients of the auxiliary message, and a content B. The message is split into two messages: a main message having a header and a content A; and a first auxiliary message having a header and a content B. Association data for associating the main message to the first auxiliary message is created. The first and second messages are transmitted together with the association data. The messages are received and are dynamically re-combined according to the recipients. Recipient 1 is only privy to message content A. Therefore, a message received by recipient 1 corresponds to the main message. Recipient 2 is privy to message content A and message content B. Therefore the main message having content A is combined with the first auxiliary message, having content B, using the association data, to form a message received by recipient 2. Thus, recipient 2 can view both content A and content B.
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