NETGEAR UTM5 Reference Manual page 200

ProSecure Unified Threat Management (UTM) Appliance
Table 45. Distributed Spam Analysis screen settings (continued)
Setting Description
Sensitivity From the Sensitivity drop-down list, select the level of sensitivity for the antispam engine
that performs the analysis:
Low.
Medium-Low.
Medium.
Medium High. This is the default setting.
High.
Note: A low sensitivity allows more emails to pass through but increases the risk of spam
messages. A high sensitivity allows fewer emails to pass through but diminishes the risk of
spam messages.
Action SMTP
POP3
Tag Add tag to mail subject When Tag spam email is selected from the Action drop-down list
Add tag
X-NETGEAR-SPAM to
mail header
Anti-Spam Engine Settings
Use a proxy Select this check box if the UTM connects to the Netgear Spam Classification Center (also
server to referred to as the Detection Center) over a proxy server. Then specify the following
connect to information.
the Detection
Proxy server
Center
User name
Password
From the SMTP drop-down list, select the action that is taken
when spam is detected by the antispam engine:
• Tag spam email. This is the default setting. The email is
tagged as spam, and a log entry is created.
• Block spam email. The email is blocked, and a log entry is
created.
• Quarantine spam email. The email is quarantined on a
ReadyNAS, and a log entry is created (see the Note on
page 184).
The only option is to tag spam email.
(see the preceding explanation in this table), select this check box
to add a tag to the email subject line. The default tag is [SPAM],
but you can customize this tag. The default setting is to add the
default tag to the subject line.
When Tag spam email is selected from the Action drop-down list
(see the explanation earlier in this table), select this check box to
add the X-NETGEAR-SPAM tag to the email header. The default
setting is to add the default tag to the email header.
The IP address and the port number of the proxy server.
Optional: The user name for proxy server authentication.
Optional: The password for proxy server authentication.
Content Filtering and Optimizing Scans
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