ZyXEL Communications ZYWALL USG 2000 Support Notes page 179

ZyWALL USG 2000 Support Notes
Step 4. Setting rule
In setting the rule, you can specify how to identify the spam mails based on the type of email.
In other words, in the field of type, you can specify email subject, sender IP address, sender
email address or mail header. In this example, we sue the type of sender or re mail relay IP
address to judge whether the mails are spam.
Step 5. Apply the setting
In the following figure, we can see the new entry in the black list.
179
All contents copyright (c) 2008 ZyXEL Communications Corporation.