Cisco Cisco Email Security Appliance C160 Guía Del Usuario
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Cisco AsyncOS 9.5 for Email User Guide
Chapter 9 Using Message Filters to Enforce Email Policies
Message Filter Actions
The
edit-body-text()
message filter only works on the message body parts. For more information
about whether a given MIME part is considered a message “body” or a message “attachment”, see
.
The following example shows a URL removed from a message and replaced with the text, ‘URL
REMOVED’:
REMOVED’:
The following example shows a social security number removed from the body of a message and
replaced with the text, “XXX-XX-XXXX’:
replaced with the text, “XXX-XX-XXXX’:
Note
You cannot use smart identifiers with the
edit-body-text()
filter at this time.
HTML Convert Action
While RFC 2822 defines a text format for email messages, there are extensions (such as MIME) to
provide the transport of other content within an RFC 2822 message. AsyncOS can now use the
provide the transport of other content within an RFC 2822 message. AsyncOS can now use the
html-convert()
message filter to convert HTML to plain text using the following syntax:
"parameter 2");
}
URL_Replaced: if true {
edit-body-text("(?i)(?:https?|ftp)://[^\\s\">]+", "URL REMOVED");
}
ssn: if true {
edit-body-text("(?!000)(?:[0-6]\\d{2}|7(?:[0-6]\\d|7[012]))([
-]?)(?!00)\\d\\d\\1(?!0000)\\d{4}",
"XXX-XX-XXXX");
}
Convert_HTML_Filter:
if (true)
{
html-convert();
}