Chapter 28 Anti-Spam
USG20(W)-VPN Series User’s Guide
442
28.5 The Anti-Spam Black List Screen
Click
Configuration > UTM Profile
>
Anti-Spam > Black
/
White List
to display the
Anti-Spam
Black List
screen.
Configure the black list to identify spam e-mail. You can create black list entries based on the
sender’s or relay server’s IP address or e-mail address. You can also create entries that check for
particular e-mail 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.
Enable Virus
Outbreak
Detection
This scans emails for attached viruses.
Virus Outbreak
Tag
Enter a message or label (up to 15 ASCII characters) to add to the beginning of the mail
subject of e-mails that are determined have an attached viruses.
This tag is only added if the anti-spam policy is configured to forward spam mail with a
spam tag.
Virus Outbreak X-
Header
Specify the name and value for the X-Header to be added when an email is determined
to have an attached virus.
Query Timeout Settings
SMTP
Select how the USG is to handle SMTP mail query timeout.
Select
drop
to discard SMTP mail.
Select
forward
to allow SMTP mail to go through.
Select
forward with tag
to add a tag to an SMTP query timeout mail’s mail subject and
send it on to the destination.
POP3
Select how the USG is to handle POP3 mail query timeout.
Select
forward
to allow POP3 mail to go through.
Select
forward with tag
to add a tag to an POP3 query timeout mail’s mail subject and
send it on to the destination.
Timeout Value
Set how long the USG waits for a reply from the mail scan server. If there is no reply
before this time period expires, the USG takes the action defined in the relevant
Actions
when Query Timeout
field.
Timeout Tag
Enter a message or label (up to 15 ASCII characters) to add to the mail subject of e-
mails that the USG forwards if queries to the mail scan servers time out.
Timeout X-Header
Specify the name and value for the X-Header to be added when queries to the mail scan
servers time out.
Apply
Click
Apply
to save your changes back to the USG.
Reset
Click
Reset
to return the screen to its last-saved settings.
Table 171
Configuration > UTM Profile > Anti-Spam > Mail Scan
LABEL
DESCRIPTION
Summary of Contents for ZyWall USG20-VPN
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Page 99: ...99 PART II Technical Reference ...
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