ZyXEL Communications ZyWALL USG 300 User Manual page 607

address or e-mail address. You can also create entries that check for particular
header fields and values.
Figure 418 Anti-X > Anti-Spam > Black/White List > Black List (or White List) > Add
The following table describes the labels in this screen.
Table 178 Anti-X > Anti-Spam > Black/White List > Black List (or White List) > Add
LABEL
Enable Rule
Type
Mail Subject
Keyword
Sender or Mail
Relay IP
Address
Netmask
Sender E-Mail
Address
ZyWALL USG 300 User's Guide
DESCRIPTION
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.
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.
This field displays when you select the Subject type. Enter up to 63
ASCII characters of text to check for in e-mail headers. Spaces are not
allowed, although you could substitute a question mark (?). See
35.4.2 on page 608 for more details.
This field displays when you select the IP type. Enter an IP address in
dotted decimal notation.
This field displays when you select the IP type. Enter the subnet mask
here, if applicable.
This field displays when you select the E-Mail type. Enter a keyword (up
to 63 ASCII characters). See
details.
Chapter 35 Anti-Spam
Section 35.4.2 on page 608
Section
for more
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