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首页> 外文会议>International conference on computing in high energy and nuclear physics >An Additional DNS Feature for Different Routing of Electronic Mail inside and outside of a Campus Network
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An Additional DNS Feature for Different Routing of Electronic Mail inside and outside of a Campus Network

机译：额外的DNS功能，用于不同的电子邮件路由在校园网络内外的电子邮件

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Several years ago DESY faced the need to change the Electronic Mail Service to support it on a central cluster of servers. The centralized architecture was necessary for deployment of unified internal E-Mail standards, better quality of service and security. To implement a new policy for Electronic Mail Service and avoid huge modifications to a few hundreds network nodes, an additional DNS feature has been added to ISC's (Internet Software Consortium) software bind-4.9.7. The DNS servers running at DESY are capable of distinguishing between DNS queries coming from inside and outside of the campus network and reply with different list of MX (Mail Exchanger) records. The external hosts always get a list of MX records pointing to the central mail servers while the internal hosts may use different paths for mail exchange within the campus network. A modified version of DNS software has been used at DESY since 1997. It is fully compliant with the original goal of the project and shows good operational performance and reliability.
机译：几年前，斯鲜面临需要更改电子邮件服务以支持它在服务器的中央集群上。集中式架构是部署统一内部电子邮件标准，更好的服务质量和安全性所必需的。要实现电子邮件服务的新策略，避免对几百个网络节点进行大量修改，因此已添加到ISC（Internet Software Consortium）软件Bind-4.9.7中的其他DNS功能。在缺课时运行的DNS服务器能够区分来自校园网络内外的DNS查询，并回复与MX（邮件交换机）记录的不同列表。外部主机始终获取指向中央邮件服务器的MX记录列表，而内部主机可以在园区网络中使用不同的邮件交换路径。自1997年以来，DNS软件的修改版本已被使用。它完全符合项目的原始目标，并显示出良好的运营性能和可靠性。

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