Chapter 34 Anti-Spam

34.4.1 The Anti-Spam Black or White List Add/Edit Screen

In the anti-spam Black List or White List screen, click the Add icon or an Edit icon to display the following screen.

Use this screen to configure an anti-spam black list entry to identify spam e-mail. You can create entries based on specific subject text, or the sender’s or relay’s IP address or e-mail address. You can also create entries that check for particular header fields and values.

Figure 328 Configuration > Anti-X > Anti-Spam > Black/White List > Black List (or White List) > Add

The following table describes the labels in this screen.

Table 167 Configuration > Anti-X > Anti-Spam > Black/White List > Black List (or White List) > Add

LABEL

DESCRIPTION

Enable Rule

Select this to have the ZyWALL use this entry as part of the black or

 

white list.

 

To actually use the entry, you must also turn on the use of the list in the

 

corresponding list screen, enable the anti-spam feature in the anti-spam

 

general screen, and configure an anti-spam policy to use the list.

 

 

Type

Use this field to base the entry on the e-mail’s subject, source or relay

 

IP address, source e-mail address, or header.

 

Select Subject to have the ZyWALL check e-mail for specific content in

 

the subject line.

 

Select IP Address to have the ZyWALL check e-mail for a specific

 

source or relay IP address.

 

Select E-Mail Address to have the ZyWALL check e-mail for a specific

 

source e-mail address or domain name.

 

Select Mail Header to have the ZyWALL check e-mail for specific

 

header fields and values. Configure black list header entries to check for

 

e-mail from bulk mail programs or with content commonly used in

 

spam. Configure white list header entries to allow certain header values

 

that identify the e-mail as being from a trusted source.

 

 

Mail Subject

This field displays when you select the Subject type. Enter up to 63

Keyword

ASCII characters of text to check for in e-mail headers. Spaces are not

 

allowed, although you could substitute a question mark (?). See Section

 

34.4.2 on page 574 for more details.

 

 

 

573

ZyWALL USG 50 User’s Guide