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332 01-28007-0068-20041203 Fortinet Inc.
MIME headers list Spam filter
You can use the MIME headers list to mark email from certain bulk mail programs or
with certain types of content that are common in spam messages. You can choose to
mark the email as spam or clear for each header you configure.
The FortiGate unit compares the MIME header key-value pair of incoming email to the
list pair in sequence. If a match is found, the corresponding protection profile action is
taken. If no match is found, the email is passed on to the next spam filter.
You can use Perl regular expressions or wildcards to add MIME header patterns to
the list. See “Using Perl regular expressions” on page 335.
This section describes:
• MIME headers list
• MIME headers options
• Configuring the MIME headers list
MIME headers list
You can configure the FortiGate unit to filter email with specific MIME header
key-value pairs. You can mark each MIME header as clear or spam.
Figure 178:Sample MIME headers list
MIME headers options
MIME headers list has the following icons and features:
Note: MIME header entries are case sensitive.
Create New Select Create New to add a MIME header to the MIME headers list.
Total The number of items in the list.
The Page up, Page down, and Remove all entries icons.
Header The list of MIME headers (keys).
Value The list of MIME header values for each key.
Pattern Type The pattern type used in the MIME header list entry. Choose from wildcard
or regular expression. See “Using Perl regular expressions” on page 335.
Action The action to take on email with the configured MIME header. Actions are:
Mark as Spam to apply the spam action configured in the protection
profile, Mark as Clear to let the email pass to the next filter, or Mark as
Reject (SMTP only) to drop the session.
The Delete and Edit/View icons.