The Dnsbl Add/Edit Screen - ZyXEL Communications ZyWall USG 2000 User Manual

Table 173 Anti-X > Anti-Spam > DNSBL (continued)
LABEL
Actions when
Query Timeout
SMTP
POP3
Timeout Value
Timeout Tag
#
DNSBL Domain
Add icon
Apply
Reset

35.6.1 The DNSBL Add/Edit Screen

Click the Add or Edit icon in the Anti-X > Anti-Spam > DNSBL screen to display
the configuration screen as shown next.
Use this screen to specify a DNSBL (spam IP address black list). You need to enter
the name of a domain that maintains DNSBL servers.
ZyWALL USG 2000 User's Guide
DESCRIPTION
Use this section to set what the ZyWALL does if the queries to the
DNSBL domains time out.
Select how the ZyWALL is to handle SMTP mail (mail going to an e-
mail server) if the queries to the DNSBL domains time out.
Select drop to discard SMTP mail.
Select forward to allow SMTP mail to go through.
Select forward with tag to add a DNSBL timeout tag to the mail
subject of an SMTP mail and send it.
Select how the ZyWALL is to handle POP3 mail (mail coming to an e-
mail client) if the queries to the DNSBL domains time out.
Select forward to allow POP3 mail to go through.
Select forward with tag to add a DNSBL timeout tag to the mail
subject of an POP3 mail and send it.
Set how long the ZyWALL waits for a reply from the DNSBL domains
listed below. If there is no reply before this time period expires, the
ZyWALL takes the action defined in the relevant Actions when
Query Timeout field.
Enter a message or label (up to 15 ASCII characters) to add to the
mail subject of e-mails that the ZyWALL forwards if queries to the
DNSBL domains time out.
This is the entry's index number in the list.
This is the name of a domain that maintains DNSBL servers.
This column provides icons to add, activate / deactivate, edit, and
remove entries.
To add an entry, click the Add icon at the top of the column.
Click an entry's Active icon to activate or deactivate the entry. Make
sure you click Apply to save and apply the change.
Click an entry's Edit icon to edit the entry.
To delete an entry, click the entry's Remove icon. The Web
Configurator confirms that you want to delete the entry.
Click Apply to save your changes back to the ZyWALL.
Click Reset to begin configuring this screen afresh.
Chapter 35 Anti-Spam
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