Cisco Cisco Email Security Appliance C160 Guía Del Usuario
9-52
User Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 9 Using Message Filters to Enforce Email Policies
Message Filter Actions
Drop Attachments
by Content
by Content
drop-attachments-where
-contains
Drop all attachments on message that contain the regular
expression. Does the pattern occur the minimum number
of times you specified for the threshold value? Archive
files (zip, tar) will be dropped if any of the files they
contain match the regular expression pattern. See
expression. Does the pattern occur the minimum number
of times you specified for the threshold value? Archive
files (zip, tar) will be dropped if any of the files they
contain match the regular expression pattern. See
The optional comment serves as the means to modify the
text used to replace the attachment that was dropped.
Attachment footers simply append to the message.
text used to replace the attachment that was dropped.
Attachment footers simply append to the message.
Drop Attachments
by Dictionary
Matches
by Dictionary
Matches
drop-attachments-where
-dictionary-match
Strip attachments based on matches to dictionary terms. If
the terms in the MIME parts considered to be an
attachment match a dictionary term (and the user-defined
threshold is met), the attachment is stripped from the
email. See
the terms in the MIME parts considered to be an
attachment match a dictionary term (and the user-defined
threshold is met), the attachment is stripped from the
email. See
Add Footer
add-footer(footer-name
)
Add disclaimer text as a footer to the message. See
“Message Disclaimer Stamping” in the “Text Resources”
chapter for more information.
“Message Disclaimer Stamping” in the “Text Resources”
chapter for more information.
Add Heading
add-heading(heading-na
me
)
Add disclaimer text as a heading to the message. See
“Message Disclaimer Stamping” in the “Text Resources”
chapter for more information.
“Message Disclaimer Stamping” in the “Text Resources”
chapter for more information.
Encrypt on
Delivery
Delivery
encrypt-deferred
Encrypt message on delivery, which means that the
message continues to the next stage of processing, and
when all processing is complete, the message is encrypted
and delivered.
message continues to the next stage of processing, and
when all processing is complete, the message is encrypted
and delivered.
S/MIME
Sign/Encrypt on
Delivery
Sign/Encrypt on
Delivery
smime-gateway-deferred
(“sending_profile”)
Performs an S/MIME signing or encryption of the
message using the specified sending profile during the
delivery. See
message using the specified sending profile during the
delivery. See
S/MIME
Sign/Encrypt
Sign/Encrypt
smime-gateway(“sending
_profile”)
Performs an S/MIME signing or encryption using the
specified sending profile and delivers the message,
skipping any further processing. See
specified sending profile and delivers the message,
skipping any further processing. See
.
Add Message Tag
tag-message(tag-name)
Add a custom term into the message to use with RSA
Email DLP policy filtering. You can configure a RSA
Email DLP policy to limit scanning to messages with the
message tag. The message tag is not visible to recipients.
See
Email DLP policy filtering. You can configure a RSA
Email DLP policy to limit scanning to messages with the
message tag. The message tag is not visible to recipients.
See
and the “Data
Loss Prevention” chapter.
Add Log Entry
log-entry
Adds customized text into the Text Mail logs at the
INFO
level. The text can include action variables. The log entry
appears in message tracking. See
appears in message tracking. See
Table 9-5
Message Filter Actions
Action Syntax
Description