Cisco Cisco Email Security Appliance C170 Mode D'Emploi
Chapter 5 Using Message Filters to Enforce Email Policies
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Cisco IronPort AsyncOS 7.1 for Email Advanced Configuration Guide
OL-22164-02
•
The first filter is named
big_messages
. It uses the
body-size
rule to drop
messages larger than 10 megabytes.
•
The second filter is named
no_mp3s
. It uses the
attachment-filename
rule to
drop messages that contain attachments with the filename extension of
.mp3
.
•
The third filter is named
mailfrompm
. It uses
mail-from
rule examines all
mail from
postmaster@example.com
and blind-carbon copies
administrator@example.com
.
Using the
filter -> list
subcommand, the filters are listed to confirm that they
are active and valid, and then the first and last filters are switched in position using
the
the
move
subcommand. Finally, the changes are committed so that the filters take
effect.
mail3.example.com> filters
Choose the operation you want to perform:
- NEW - Create a new filter.
- IMPORT - Import a filter script from a file.
[]> new
Enter filter script. Enter '.' on its own line to end.
big_messages:
if (body-size >= 10M) {
drop();
}
.
1 filters added.