Cisco Cisco Email Security Appliance C170 ユーザーガイド

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9-12
Cisco AsyncOS 9.5 for Email User Guide
 
Chapter 9      Using Message Filters to Enforce Email Policies
  Message Filter Rules
S/MIME Gateway 
Verified
smime-gateway-verified
Is the S/MIME message successfully verified, 
decrypted, or decrypted and verified? See 
Image verdict
image-verdict
What was the image scanning verdict? This filter 
rule allows you to query for different image 
analysis verdicts. See 
Workqueue count
workqueue-count
Is the work queue count equal to, less than, or 
greater than the specified value? See 
.
Body Scanning
body-contains(<regular 
expression>)
Does the message contain text or an attachment 
that matches a specified pattern? Does the 
pattern occur the minimum number of times you 
specified for the threshold value?
The engine scans delivery-status parts and 
associated attachments. 
See 
.
Body Scanning
only-body-contains(<regular 
expression>)
Does the message body contain text that matches 
a specified pattern? Does the pattern occur the 
minimum number of times you specified for the 
threshold value? Attachments are not scanned. 
See 
.
Encryption 
Detection
encrypted
Is the message encrypted? See 
Attachment 
Filename
a
attachment-filename
Does the message contain an attachment with a 
filename that matches a specific pattern? See 
Attachment Type
a
attachment-type
Does the message contain an attachment of a 
particular MIME type? See 
.
Table 9-2
Message Filter Rules
Rule Syntax 
Description