block list

基本解释

Maintaining a current "block list" for malicious web sites would be a major undertaking for the startup.
对于Twitter这样一个初创公司而言，维护目前这个“黑名单”可是一项艰巨的任务。
For example, the Connection Filter agent rejects any message that is sent from an IP address that is on a real-time block list (RBL).
例如，连接筛选器代理将拒绝从实时阻止列表（RBL）中的IP地址所发送的任何邮件。
If your email traffic patterns and content appear spam-like, sender reputation processing may frequently add your IP address to the organization's temporary IP Block list.
如果您的电子邮件通信的模式和内容与垃圾邮件类似，发件人信誉处理可能会经常将您的IP地址添加到组织的临时IP阻止列表中。

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