ZyXEL USG110/210/310 User Guide - Page 760

Chapter 40 Anti-Spam 40.5.1 The Anti-Spam Black or White List Add/Edit Screen In the anti-spam Black List or White List screen, click the Add icon or an Edit icon to display the following screen. Use this screen to configure an anti-spam black list entry to identify spam e-mail. You can create entries based on specific subject text, or the sender's or relay's IP address or e-mail address. You can also create entries that check for particular header fields and values. Figure 523 Configuration > UTM Profile > Anti-Spam > Black/White List > Black List (or White List) > Add The following table describes the labels in this screen. Table 279 Configuration > UTM Profile > Anti-Spam > Black/White List > Black/White List > Add LABEL DESCRIPTION Enable Rule Select this to have the Zyxel Device use this entry as part of the black or white list. Type To actually use the entry, you must also turn on the use of the list in the corresponding list screen, enable the anti-spam feature in the anti-spam general screen, and configure an anti-spam policy to use the list. Use this field to base the entry on the e-mail's subject, source or relay IP address, source email address, or header. Select Subject to have the Zyxel Device check e-mail for specific content in the subject line. Select IP Address to have the Zyxel Device check e-mail for a specific source or relay IP address. Select IPv6 Address to have the Zyxel Device check e-mail for a specific source or relay IPv6 address. Select E-Mail Address to have the Zyxel Device check e-mail for a specific source e-mail address or domain name. Mail Subject Keyword Sender or Mail Relay IP Address Sender or Mail Relay IPv6 Address Netmask Sender E-Mail Address Select Mail Header to have the Zyxel Device check e-mail for specific header fields and values. Configure black list header entries to check for e-mail from bulk mail programs or with content commonly used in spam. Configure white list header entries to allow certain header values that identify the e-mail as being from a trusted source. This field displays when you select the Subject type. Enter up to 63 ASCII characters of text to check for in e-mail headers. Spaces are not allowed, although you could substitute a question mark (?). See Section 40.5.2 on page 761 for more details. This field displays when you select the IP Address type. Enter an IP address in dotted decimal notation. This field displays when you select the IPv6 Address type. Enter an IPv6 address with prefix. This field displays when you select the IP type. Enter the subnet mask here, if applicable. This field displays when you select the E-Mail type. Enter a keyword (up to 63 ASCII characters). See Section 40.5.2 on page 761 for more details. ZyWALL USG Series User's Guide 760