User Guide

9-51
AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
Chapter 9 Using Message Filters to Enforce Email Policies
Message Filter Actions
Related Topics
• Attachment Groups, page 9-52
Encrypt on
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.
S/MIME
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 S/MIME Sign or Encrypt on Delivery
Action, page 9-60.
S/MIME
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 S/MIME Sign or
Encrypt Action, page 9-60.
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 Add Message Tag Action, page 9-73 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 Add Log Entry Action,
page 9-73.
Replace URL with
text, based on
URL Category
url-category-replace
Modify URLs or their behavior based on the category of
the URL.
See URL Category Actions, page 9-74.
Defang URL based
on URL category
url-category-defang
Redirect URL to
Cisco security
proxy, based on
URL category
url-category-proxy-red
irect
No Operation
no-op
No action is performed. See No Operation, page 9-75.
*Skip Remaining
Message Filters
skip-filters
Ensure that this message is not processed by any other
message filters and continues through the email pipeline.
See Skip Remaining Message Filters Action, page 9-58.
*Drop message
drop
Drop and discard the message. See Drop Action,
page 9-58.
*Bounce message
bounce
Send the message back to the sender. See Bounce Action,
page 9-59.
*Encrypt and
Deliver Now
encrypt
Use Cisco Email Encryption to encrypt outgoing
messages. See Encrypt Action, page 9-59.
* Final Actions
Table 9-5 Message Filter Actions
Action Syntax Description