Cisco Cisco Email Security Appliance C170 Guia Da Instalação

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Plan the Installation
To defend your email system against spam, malware, phishing, 
and other threats, the Cisco C390 appliance must be installed at 
the perimeter of your network. It needs to be the first appliance 
with an IP address that can access the Internet.
Plan for your network configuration to look something like this:
Advanced Malware Protection 
 
Scanning Engine
Enable/Disable
C390_QSG.fm  Page 4  Thursday, March 31, 2016  5:57 PM