NETGEAR STM150EW-100NAS, UTM5EW-100NAS manual 209, Low Medium-Low, Anti-Spam Engine Settings

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	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 193).
	POP3	The only option is to tag spam email.
Tag	Add tag to mail subject	When Tag spam email is selected from the Action drop-down list
		(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.
	Add tag	When Tag spam email is selected from the Action drop-down list
	X-NETGEAR-SPAM to	(see the explanation earlier in this table), select this check box to
	mail header	add the X-NETGEAR-SPAM tag to the email header. The default
		setting is to add the default tag to the email 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	The IP address and the port number of the proxy server.
Center
	User name	Optional: The user name for proxy server authentication.
	Password	Optional: The password for proxy server authentication.

Content Filtering and Optimizing Scans

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