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TABLE 9-1. ISP Spam List (Continued)<br />

COLUMN DESCRIPTION<br />

4. Click News. The News screen appears.<br />

Configuring IP Filtering Settings<br />

Botnet Activity An indication of how active botnets are for your email<br />

servers. Botnets are groups of infected computers<br />

that are controlled by a spammer from a central location<br />

and are the largest source of spam on the Internet<br />

today. This number indicates the percentage<br />

change in the number of bots from the previous hour.<br />

To see botnet activity, you must add your email servers<br />

to the Valid Mail Servers list.<br />

The News screen displays breaking news about new spam and new features<br />

available for Email reputation. Click the following tabs for information:<br />

• Spam News: Provides a brief overview and discussion of current spamming<br />

tactics and the implications for organizations. It also describes how new tactics<br />

are deployed, how they evade Trend Micro systems, and what Trend Micro is<br />

doing to respond to these new threats.<br />

• Release News: Provides a brief overview of new features available in Email<br />

reputation<br />

5. To view reports that summarize the activity between the MTA and the Email<br />

reputation database servers, do the following:<br />

a. Select Report from the menu. A sub-menu appears.<br />

b. Click one of the following:<br />

TABLE 9-2. Report Types<br />

REPORT DESCRIPTION<br />

Percentage Queries<br />

The report shows the percentage of queries that<br />

returned an IP address match, which indicates that a<br />

sender trying to establish a connection with your<br />

email server is a known spammer. The reports are<br />

based on connections, not individual spam messages.<br />

9-5

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