Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
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Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 9 Anti-Spam
The Mail Policies > Incoming or Outgoing Mail Policies page is refreshed to reflect the values you chose
in the previous steps.
in the previous steps.
Notes on Configuring Settings for Identified Messages
Positive/Suspected Spam Threshold
Enter a threshold value for positively identified spam and a value for suspected spam. For more
information about spam thresholds, see
information about spam thresholds, see
Action to Apply
Choose which overall action to take on positively identified spam, suspected spam, or unwanted
marketing messages: Deliver, Drop, Bounce, or Quarantine.
marketing messages: Deliver, Drop, Bounce, or Quarantine.
Archiving Identified Messages
Y
ou can archive identified messages into the “Anti-Spam Archive” log. The format is an mbox-format
log file. For more information, see the example below and refer to the “Logging” chapter of the Cisco
IronPort AsyncOS for Email Daily Management Guide.
IronPort AsyncOS for Email Daily Management Guide.
Altering the Subject Header
You can alter the text of the Subject header on identified messages by prepending or appending certain
text strings to help users more easily identify and sort spam and unwanted marketing messages.
text strings to help users more easily identify and sort spam and unwanted marketing messages.
Note
White space is not ignored in the “Modify message subject” field. Add spaces after (if prepending) or
before (if appending) the text you enter in this field to separate your added text from the original subject
of the message. For example, add the text
before (if appending) the text you enter in this field to separate your added text from the original subject
of the message. For example, add the text
[SPAM]
with a few trailing spaces if you are prepending.
Note
The “Add text to message” field only accepts US-ASCII characters.
Sending Identified Messages to an Alternate Destination Host
You can send identified messages to an alternate destination mailhost.
Adding a Custom X-Header
You can add a custom X-Header to identified messages.
Click Yes and define the header name and text.
Changing the Envelope Recipient Address
You can have identified messages sent to an alternate envelope recipient address.
Click Yes and define an alternate address.
For example, you could route messages identified as spam to an administrator’s mailbox for subsequent
examination. In the case of a multi-recipient message, only a single copy is sent to the alternate recipient.
examination. In the case of a multi-recipient message, only a single copy is sent to the alternate recipient.