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来源：雅诚德英语网
Moving the messages will always delete their originals after the copies have been made in the destination mailbox, as implemented by mail: : IMAPClient.
移动消息时，总是在消息的副本被保存在目的地邮箱之后才删除原始消息，这一点和Mail：IMAPClient的实现相同。
Moving the messages will always delete their originals after the copies have been made in the destination mailbox, as implemented by mail: : IMAPClient.
移动消息时，总是在消息的副本被保存在目的地邮箱之后才删除原始消息，这一点和Mail：IMAPClient的实现相同。