Cisco Cisco Email Security Appliance C160 Guía Del Usuario
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Cisco IronPort AsyncOS 7.5 for Email Advanced Configuration Guide
OL-25137-01
Chapter 6 Using Message Filters to Enforce Email Policies
The optional comment is text that is added to the message, much like a footer, and
it can contain Message Filter Action Variables (see
it can contain Message Filter Action Variables (see
).
Table 6-8
Message Filter Actions for Attachment Filtering
Action
Syntax
Description
Drop
Attachments
by Name
Attachments
by Name
drop-attachments-by-nam
e (<regular
expression>[, <optional
comment>])
Drops all attachments on messages
that have a filename that matches the
given regular expression. Archive
file attachments (zip, tar) will be
dropped if they contain a file that
matches. See
that have a filename that matches the
given regular expression. Archive
file attachments (zip, tar) will be
dropped if they contain a file that
matches. See
Drop
Attachments
by Type
Attachments
by Type
drop-attachments-by-typ
e (<MIME type>[,
<optional comment>])
Drops all attachments on messages
that have a MIME type, determined
by either the given MIME type or the
file extension. Archive file
attachments (zip, tar) will be
dropped if they contain a file that
matches.
that have a MIME type, determined
by either the given MIME type or the
file extension. Archive file
attachments (zip, tar) will be
dropped if they contain a file that
matches.
Drop
Attachments
by File Type
Attachments
by File Type
drop-attachments-by-fil
etype (<fingerprint
name>[, <optional
comment>])
Drops all attachments on messages
that match the given “fingerprint” of
the file. Archive file attachments
(zip, tar) will be dropped if they
contain a file that matches. For more
information, see
that match the given “fingerprint” of
the file. Archive file attachments
(zip, tar) will be dropped if they
contain a file that matches. For more
information, see
.
Drop
Attachments
by MIME Type
Attachments
by MIME Type
drop-attachments-by-mim
etype (<MIME type>[,
<optional comment>])
Drops all attachments on messages
that have a given MIME type. This
action does not attempt to ascertain
the MIME type by file extension and
so it also does not examine the
contents of archives.
that have a given MIME type. This
action does not attempt to ascertain
the MIME type by file extension and
so it also does not examine the
contents of archives.