Chapter 32 Email Security
ZyWALL ATP Series User’s Guide
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32.4 The Black List / White List Screen
Click
Configuration > Security Service
>
Email Security > Black
/
White List
to display the
Black List / White
List
screen.
Configure the black list to identify spam email. You can create black list entries based on the sender’s or
relay server’s IP address or email address. You can also create entries that check for particular email
header fields with specific values or specific subject text. Click a column’s heading cell to sort the table
entries by that column’s criteria. Click the heading cell again to reverse the sort order.
Figure 363
Configuration > Security Service > Email Security > Black/White List
The following table describes the labels in this screen.
IP Selection Per
Mail
Select
first N IPs
to have the Zyxel Device start checking from the first IP address in the mail
header. This is the IP of the sender or the first server that forwarded the mail.
Select
last N IPs
to have the Zyxel Device start checking from the last IP address in the mail
header. This is the IP of the last server that forwarded the mail.
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 224 Configuration > Security Service > Email Security
LABEL
DESCRIPTION
Table 225 Configuration > Security Service > Email Security > Black/White List
LABEL
DESCRIPTION
Rule Summary
Add
Click this to create a new entry.
Edit
Select an entry and click this to be able to modify it.
Remove
Select an entry and click this to delete it.
Activate
To turn on an entry, select it and click
Activate
.
Inactivate
To turn off an entry, select it and click
Inactivate
.
Status
The activate (light bulb) icon is lit when the entry is active and dimmed when the entry is
inactive.
#
This is the entry’s index number in the list.
Type
This field displays whether the entry is based on the email’s subject, source or relay IP
address, source email address, or header.
