邮件必须投递到SAP的这个端口。
以后所有来自被阻止用户的消息将自动投递到Junk Mail文件夹。
All future incoming messages from the blocked users will be delivered automatically to the Junk Mail folder.
没有绑定器,哪怕是最简单的消息,交换器也不能将其投递到队列中,只能抛弃它。
Without bindings the exchange would simply never deliver the message to a queue but just drop them.
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