ZyXEL Communications 1000 User Manual

 Chapter 38 Anti-Spam

ZyWALL USG 1000 User’s Guide

Click Configuration > Anti-X > 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 

Check White 
List 

Select this check box to check e-mail against the white list. The ZyWALL 
classifies e-mail that matches a white list entry as legitimate (not 
spam).

Check Black List Select this check box to check e-mail against the black list. The ZyWALL 

classifies e-mail that matches a black list entry as spam.

Check DNSBL

Select this check box to check e-mail against the ZyWALL’s configured 
DNSBL domains. The ZyWALL classifies e-mail that matches a DNS 
black list as spam.

Actions for 
Spam Mail

Use this section to set how the ZyWALL is to handle spam mail.

SMTP

Select how the ZyWALL is to handle spam SMTP mail.

Select drop to discard spam SMTP mail.

Select forward to allow spam SMTP mail to go through.

Select forward with tag to add a spam tag to an SMTP spam mail’s 
mail subject and send it on to the destination. 

POP3

Select how the ZyWALL is to handle spam POP3 mail.

Select forward to allow spam POP3 mail to go through.

Select forward with tag to add a spam tag to an POP3 spam mail’s 
mail subject and send it on to the destination. 

OK

Click OK to save your changes. 

Cancel

Click Cancel to exit this screen without saving your changes.

Table 173   Configuration > Anti-X > Anti-Virus > General > Add (continued)