ZyXEL Communications ZyWALL 110 Handbook page 602

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In the ZyWALL/USG, go to CONFIGURATION > UTM Profile > Anti-Spam> Black/White
List > Black List > General Settings, select Enable Black List Checking to have the
ZyWALL/USG treat e-mail that matches (an active) black list entry as spam.
CONFIGURATION > UTM Profile > Anti-Virus > Black/White List > Black List > General
Settings
Continue to Rule Summary, click the Add icon. A pop-up screen will appear
allowing you to configure Content (Subject, IP/IPv6 Address, E-Mail Address and
Mail Header), Use wildcards (*) to configure Mail Subject Keyword. (*sell* in this
example). Click OK to return to the General screen.
CONFIGURATION > UTM Profile > Anti-Virus > Black/White List > Black List > Rule
Summary > Add rule
In the ZyWALL/USG, go to CONFIGURATION > UTM Profile > Anti-Spam> DNSBL,
select Enable DNS Black List (DNSBL) Checking and enter the DNSBL Domain for a
DNSBL service (zen.spamhaus.org in this example). Click Apply.
CONFIGURATION > UTM Profile > Anti-Virus > DNSBL
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