The Dnsbl Screen - ZyXEL Communications ZYWALL USG 2000 Manual

Unified security gateway

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Table of Contents

Chapter 34 Anti-Spam

Table 172 Anti-X > Anti-Spam > Black/White List > White List (continued)

34.6 The DNSBL Screen

Click Anti-X > Anti-Spam > DNSBL to display the anti-spam DNSBL screen.

Use this screen to configure the ZyWALL to check the sender and relay IP

addresses in e-mail headers against DNS (Domain Name Service)-based spam

Black Lists (DNSBLs).

Figure 391 Anti-X > Anti-Spam > DNSBL

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. See

Section 34.4.1 on page 583

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. See

for how to add or edit an 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.

for how to add or edit an entry.

Section 34.4.1 on

ZyWALL USG 2000 User's Guide