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Cisco AsyncOS 8.5.5 for Email Security User Guide
 
Chapter 13      Anti-Spam
  Defining Anti-Spam Policies
Options you see depend on the anti-spam scanning solution(s) that you have enabled. 
For mail policies other than the default: If you use settings from the default policy, all other options on 
the page are disabled. 
You can also disable anti-spam scanning altogether for this mail policy.
Step 5
Configure settings for positively identified spam, suspected spam, and marketing messages:
Option
Description
Enable Suspected Spam 
Scanning
Enable Marketing Email 
Scanning 
Choose an option. 
Positively-identified spam scanning is always enabled if anti-spam 
scanning is enabled. 
Apply This Action to Message Choose which overall action to take on positively identified spam, 
suspected spam, or unwanted marketing messages: 
Deliver
Drop
Bounce
Quarantine 
(Optional) Send to Alternate 
Host
You can send identified messages to an alternate destination mailhost 
(an email server other than the ones listed in SMTP Routes or DNS). 
Enter an IP address or hostname. If you enter a hostname, its Mail 
Exchange (MX) will be queried first. If none exists, the A record on 
the DNS server will be used (as with SMTP Routes). 
Use this option if you want to redirect messages, for example to a 
sandbox mail server for further examination. 
For additional important information, see 
Add Text to Subject
You can alter text in the Subject of identified messages by prepending 
or appending certain text strings to help users more easily identify and 
sort spam and unwanted marketing messages.
Note
White space is not ignored in this 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, if you are prepending, add the text 
[SPAM]
 with a few trailing spaces. 
Note
“Add Text to Subject” field only accepts US-ASCII 
characters.
Advanced Options (for custom header and message delivery)