ZyXEL Communications ZyXEL ZyWALL USG-1000, User Manual

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Chapter 35 Anti-Spam
ZyWALL USG 2000 User’s Guide
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mail protocols to scan, the scanning options, and the action to take on spam
traffic.
Figure 391 Anti-X > Anti-Spam > General > Add
The following table describes the labels in this screen.
Table 169 Anti-X > Anti-Virus > General > Add
LABEL DESCRIPTION
Enable Policy Select this check box to have the ZyWALL apply this anti-spam policy to
check e-mail traffic for spam.
Log Select how the ZyWALL is to log the event when the DNSBL times out or
an e-mail matches the white list, black list, or DNSBL.
no: Do not create a log.
log: Create a log on the ZyWALL.
log alert: An alert is an e-mailed log for more serious events that may
need more immediate attention. Select this option to have the ZyWALL
send an alert.
From
To
Select source and destination zones for traffic to scan for spam. The
anti-spam policy has the ZyWALL scan traffic coming from the From
zone and going to the To zone.
Protocols to
Scan Select which protocols of traffic to scan for spam.
SMTP applies to traffic using TCP port 25.
POP3 applies to traffic using TCP port 110.
Check White
List Select this check box to check e-mail against the white list. The ZyWALL
classifies e-mail that matches a white list entry as legitimate (not
spam).
Check Black List Select this check box to check e-mail against the black list. The ZyWALL
classifies e-mail that matches a black list entry as spam.