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InterScanTM Messaging Security Virtual Appliance - Online Help ...

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Trend Micro InterScan <strong>Messaging</strong> <strong>Security</strong> <strong>Virtual</strong> <strong>Appliance</strong> Administrator’s Guide<br />

Understanding Cloud Pre-Filter<br />

6-2<br />

Cloud Pre-Filter service is a managed email security service powered by the Trend Micro<br />

Email <strong>Security</strong> SaaS Solutions. By routing your inbound messages through the service,<br />

you can protect your domains against spam, phishing, viruses, and other messaging<br />

threats before the threats reach your network.<br />

Mail Flow with and without Cloud Pre-Filter<br />

Without Cloud Pre-Filter, email messages containing viruses, spam, and other malicious<br />

threats reach your network directly. These malicious email messages waste network<br />

bandwidth and staff resources for the administration effort of handling malicious<br />

messages.<br />

FIGURE 6-1. Mail flow without Cloud Pre-Filter

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