Fortinet 100A - Manual (Page 324)

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01-28007-0068-20041203 Fortinet Inc.
Spam filter
Protection profile configuration
For information about configuring protection profiles, see “Protection profile” on
page 222 . For information about adding protection profiles to firewall policies, see “To
add a protection profile to a policy” on page 229 .
E-mail address BWL check Spam Filter > E-mail Address
Enable or disable checking incoming email
addresses against the configured spam filter
email address list.
Add to and edit email addresses to the list,
with the option of using wildcards and regular
expressions. You can configure the action to
take as spam or reject for each email address.
You can place an email address anywhere in
the list. The filter checks each email address
in sequence.
Return e-mail DNS check
Enable or disable checking incoming email
return address domain against the registered
IP address in the Domain Name Server. If the
return address domain name does not match
the IP address the email is marked as spam
and the action selected in the protection
profile is taken.
MIME headers check
Spam Filter > MIME Headers
Enable or disable checking source MIME
headers against the configured spam filter
MIME header list.
Add to and edit MIME headers to the list, with
the option of using wildcards and regular
expressions. You can configure the action to
take as spam or clear for each MIME header.
Banned word check Spam Filter > Banned Word
Enable or disable checking source email
against the configured spam filter banned
word list.
Add to and edit banned words to the list, with
the option of using wildcards and regular
expressions. You can configure the language
and whether to search the email body,
subject, or both. You can configure the action
to take as spam or clear for each word.
Spam Action
The action to take on email identified as
spam. POP3 and IMAP messages are tagged.
Choose Tagged or Discard for SMTP
messages. You can append a custom word or
phrase to the subject or MIME header of
tagged email. You can choose to log any
spam action in the event log.
Append to:
Choose to append the tag to the subject or
MIME header of the email identified as spam.
Append with:
Enter a word or phrase (tag) to append to
email identified as spam. The maximum
length is 63 characters.
Add event into the system log
Enable or disable logging of spam actions to
the event log.
Table 29: Spam Filter and Protection Profile spam filtering configuration
Protection Profile spam filtering options Spam filter setting