Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
Chapter 5 Using Message Filters to Enforce Email Policies
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Cisco IronPort AsyncOS 7.1 for Email Advanced Configuration Guide
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containing one encrypted member along with unencrypted members will be
considered protected. Similarly, PDF file that has no open password will not be
considered protected, even though it may restrict copying or printing with a
password. The following example shows protected attachments sent to a policy
quarantine:
considered protected. Similarly, PDF file that has no open password will not be
considered protected, even though it may restrict copying or printing with a
password. The following example shows protected attachments sent to a policy
quarantine:
quarantine_protected:
if attachment-protected
{
quarantine("Policy");
}
Detecting Unprotected Attachments
The
attachment-unprotected
filter tests whether any attachment in the message
is not password protected or encrypted. This message filter complements the
attachment-protected
filter. You might use this filter on outgoing mail to detect
outgoing mail that is unprotected. The following example shows AsyncOS
detecting unprotected attachments on an outgoing listener and quarantining the
messages:
detecting unprotected attachments on an outgoing listener and quarantining the
messages:
quarantine_unprotected:
if attachment-unprotected
{
quarantine("Policy");
}