ZyXEL Communications ATP200, Руководство пользователя

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Chapter 32 Email Security
ZyWALL ATP Series User’s Guide
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32.4.1 The Black or White List Add/Edit Screen
In the 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 email security black list entry to identify spam email. You can create
entries based on specific subject text, or the sender’s or relay’s IP address or email address. You can also
create entries that check for particular header fields and values.
Figure 364 Configuration > Security Service > Email Security > Black/White List > Black List (or White List) >
Add
The following table describes the labels in this screen.
Content This field displays the subject content, source or relay IP address, source email address, or
header value for which the entry checks.
Apply Click Apply to save your changes back to the Zyxel Device.
Reset Click Reset to return the screen to its last-saved settings.
Table 225 Configuration > Security Service > Email Security > Black/White List (continued)
LABEL DESCRIPTION
Table 226 Configuration > Security Service > Email Security > Black/White List > Black/White List > Add
LABEL DESCRIPTION
Enable Rule Select this to have the Zyxel Device 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 email security feature in the email security general screen, and configure
an email security policy to use the list.
Type Use this field to base the entry on the email’s subject, source or relay IP address, source email
address, or header.
Select Subject to have the Zyxel Device check email for specific content in the subject line.
Select IP Address to have the Zyxel Device check email for a specific source or relay IP
address.
Select IPv6 Address to have the Zyxel Device check email for a specific source or relay IPv6
address.
Select E-Mail Address to have the Zyxel Device check email for a specific source email
address or domain name.
Select Mail Header to have the Zyxel Device check email for specific header fields and
values. Configure black list header entries to check for email from bulk mail programs or with
content commonly used in spam. Configure white list header entries to allow certain header
values that identify the email as being from a trusted source.