ProSecure Unified Threat Management UTM10 or UTM25 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, September 2009

Page 182
Image 182
NETGEAR UTM25EW-100NAS, UTM25-100NAS, UTM10EW-100NAS manual Low Medium-Low, Block spam email, Anti-Spam Engine Settings