NETGEAR UTM50-100NAS, UTM5-100NAS Low Medium-Low, Block spam email, Anti-Spam Engine Settings

ProSecure Unified Threat Management (UTM) Appliance Reference Manual

Table 6-5. Distributed Spam Analysis Settings (continued)

Setting	Description (or Subfield and Description)
Sensitivity	From the Sensitivity pull-down menu, select the level of sensitivity for the anti-spam
	engine that performs the analysis:
	Low.
	Medium-Low.
	Medium.
	Medium High. This is the default setting.
	High.
	Note: A low sensitivity allows more e-mails to pass through but increases the risk of
	spam messages. A high sensitivity allows fewer e-mails to pass through but diminishes
	the risk of spam messages.
Action	SMTP	From the SMTP pull-down menu, select the action that is taken
		when spam is detected by the anti-spam engine:
		• Tag spam email. This is the default setting.
		• Block spam email.
	POP3	The only option is to block spam e-mail.
Tag	Add tag to mail	When the option “Tag spam email” is selected from the Action
	subject	pull-down menu (see above), select this checkbox to add a tag
		to the e-mail 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 X-NETGEAR-	When the option “Tag spam email” is selected from the Action
	SPAM to mail header	pull-down menu (see above), select this checkbox to add the
		“X-NETGEAR-SPAM” tag to the e-mail header. The default
		setting is to add the default tag to the e-mail header.
Anti-Spam Engine Settings
Use a proxy	Select this checkbox if the UTM connects to the Netgear Spam Classification Center
server to	(also referred to as the Detection Center) over a proxy server. Then, specify the
connect to	following 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.

4.Click Apply to save your settings. The Distributed Spam Analysis section and the Anti-Spam Engine Settings section each have their own Apply and Reset buttons to enable you to make changes to these sections separately.

6-18 Content Filtering and Optimizing Scans

v1.0, January 2010