Chapter 34 Anti-Spam

spam policies. You can also select the action the ZyWALL takes when the mail sessions threshold is reached.

Figure 325 Configuration > Anti-X > Anti-Spam > General

The following table describes the labels in this screen.

Table 164 Configuration > Anti-X > Anti-Spam > General

LABEL

DESCRIPTION

Show Advance

Click this button to display a greater or lesser number of configuration

Settings / Hide

fields.

Advance

 

Settings

 

 

 

General

 

Settings

 

 

 

Enable Anti-

Select this check box to check SMTP (TCP port 25) and POP3 (TCP port

Spam

110) traffic for spam e-mail.

 

 

Action taken

An e-mail session is when an e-mail client and e-mail server (or two e-

when mail

mail servers) connect through the ZyWALL. Select how to handle

sessions

concurrent e-mail sessions that exceed the maximum number of

threshold is

concurrent e-mail sessions that the anti-spam feature can handle. See

reached

the chapter of product specifications for the threshold.

 

Select Forward Session to have the ZyWALL allow the excess e-mail

 

sessions without any spam filtering.

 

Select Drop Session to have the ZyWALL drop mail connections to stop

 

the excess e-mail sessions. The e-mail client or server will have to re-

 

attempt to send or receive e-mail later when the number of e-mail

 

sessions is under the threshold.

 

 

Policy

 

Summary

 

 

 

Add

Click this to create a new entry. Select an entry and click Add to create a

 

new entry after the selected entry.

 

 

Edit

Select an entry and click this to be able to modify it.

 

 

568

 

ZyWALL USG 50 User’s Guide