Cisco Cisco Email Security Appliance X1070 用户指南
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Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 9 Using Message Filters to Enforce Email Policies
Message Filter Actions
Note
You must have a Cisco Encryption Appliance in your network or a hosted key service configured to use
this filter action. You must also have configured an encryption profile to use this filter action.
this filter action. You must also have configured an encryption profile to use this filter action.
Notify and Notify-Copy Actions
The
notify
and
notify-copy
actions send an email summary of the message to the specified email
address. The
notify-copy
action also sends a copy of the original message, similar to the
bcc-scan
action. The notification summary contains:
•
The contents of the Envelope Sender and Envelope Recipient (
MAIL FROM
and
RCPT TO
) directives
from the mail transfer protocol conversation for the message.
•
The message headers of the message.
•
The name of the message filter that matched the message.
You can specify the recipient, subject line, from address, and notification template. the following filter
selects messages with sizes larger than 4 megabytes, sends a notification email of each matching
message to
selects messages with sizes larger than 4 megabytes, sends a notification email of each matching
message to
admin@example.com
, and finally discards the message:
Or
{
encrypt('My_Encryption_Profile');
}
bigFilter:
if(body-size >= 4M)
{
notify('admin@example.com');
drop();
}
bigFilterCopy:
if(body-size >= 4M)
{
notify-copy('admin@example.com');
drop();
}