If other networks — and their admins — realize that your server is the source of spam, they're likely to block your server's IP address from access to or from their network.
如果其他网络及其管理员意识到您的服务器是发送垃圾邮件的源头，那么很可能阻止您的服务器的IP地址访问他们的网络。
The implementation of this function says if the userid beauvoir tries to connect from a remote client that has an IP address that is the same as the IP address of the database server, then block it.
该函数的实现表明，如果用户id beauvoir试图从一个与数据库服务器有相同ip地址的远程客户机进行连接，那么就阻塞它。
In_pcblookup is then called to lookup for a control block with the mentioned local IP address and local port number.
然后调用in _ pcblookup，以便查找具有提到的本地IP地址和本地端口号的控制块。
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