Antispam IP address and email address black/white lists
FortiGate Version 4.0 Administration Guide
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4 Select OK.
IP address and email address black/white lists
You can add IP address black/white lists and an email address black/white lists to filter
email. When performing an IP address list check, the FortiGate unit compares the IP
address of the message sender to the IP address list in sequence. When performing an
email list check, the FortiGate unit compares the email address of the message sender to
the email address list in sequence. If a match is found, the action associated with the IP
address or email address is taken. If no match is found, the message is passed to the next
enabled spam filter.
Viewing the antispam IP address list catalog
You can add a maximum of two antispam IP address lists and then select the best one for
each protection profile. To view the antispam IP address list catalog, go to UTM >
AntiSpam > IP Address. To view any individual antispam IP address list, select the Edit
icon for the list you want to see.
Figure 327: Sample antispam IP address list catalog
Creating a new antispam IP address list
To add an antispam IP address list to the antispam IP address list catalog, go to UTM >
AntiSpam > IP Address and select Create New.
Score Enter a score for the pattern.
Each entry in the banned word list added to the protection profile incudes a
score. When an email message is matched with an entry in the banned word
list, the score is recorded. If an email message matches more than one entry,
the score for the email message increases. When the total score for an email
message equals or exceeds the threshold, the message is tagged as spam.
The default score for a banned word list entry is 10 and the default threshold is
10. This means that by default an email message is tagged as spam by a
single match. You can change the scores and threshold so email messages
are only tagged as spam if there are multiple matches.
For more information, see “Spam Filtering options” on page 416.
Enable Select to enable scanning for the banned word.
Create New Add a new IP address list to the catalog.
Name The available name of the antispam IP address lists.
# Entries The number of entries in each antispam IP address list.
Profiles The protection profiles each antispam IP address list has been applied to.
Comments Optional description of each antispam IP address list.
Delete icon Remove the antispam IP address list from the catalog. The delete icon is
available only if the antispam IP address list is not selected in any protection
profiles.
Edit icon Edit the antispam IP address list, list name, or list comment.
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