Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
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User Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 22 Text Resources
Using Text Resources
Adding Disclaimer Text via a Listener
Once you have disclaimer text resources created, select which text strings will be appended to messages
received by the listener. You can add disclaimer text above or below a message. This feature is available
on both public (inbound) and private (outbound) listeners.
received by the listener. You can add disclaimer text above or below a message. This feature is available
on both public (inbound) and private (outbound) listeners.
If you send a message that consists of text and HTML (Microsoft Outlook calls this type of message a
“multipart alternative”), the appliance will stamp the disclaimer on both parts of the message. However,
if your message has signed content, the content will not be modified because the modification will
invalidate the signature. Instead, a new part is created with a disclaimer stamp that says
“
“multipart alternative”), the appliance will stamp the disclaimer on both parts of the message. However,
if your message has signed content, the content will not be modified because the modification will
invalidate the signature. Instead, a new part is created with a disclaimer stamp that says
“
Content-Disposition inline attachment
.” For more information on multipart messages, see
“Message Bodies vs. Message Attachments” in the “Using Message Filters to Enforce Email Policies”
chapter.
chapter.
Adding Disclaimers via Filters
You can also append specific, predefined text strings to the disclaimers of messages using the filter
action
action
add-footer()
or the content filter action “Add Disclaimer Text.” For example, the following
message filter rule appends the text string named
legal.disclaimer
to all messages sent from users in
the LDAP group “Legal:”
Disclaimers and Filter Action Variables
You can also use message filter action variables (see “Action Variables” in the “Using Message Filters
to Enforce Email Policies” chapter for more information).
to Enforce Email Policies” chapter for more information).
The following variables are available for the Disclaimer Template:
Add-Disclaimer-For-Legal-Team:
if (mail-from-group == 'Legal')
{
add-footer('legal.disclaimer');
}
Table 22-3
Anti-Virus Notification Variables
Variable Substituted
With
$To
Replaced by the message To: header (not the Envelope
Recipient).
Recipient).
$From
Replaced by the message From: header (not the Envelope
Sender).
Sender).
$Subject
Replaced by the subject of the original message.
$Date
Replaced by the current date, using the format MM/DD/YYYY.
$Time
Replaced by the current time, in the local time zone.
$GMTimestamp
Replaced by the current time and date, as would be found in the
Received: line of an email message, using GMT.
Received: line of an email message, using GMT.