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Chapter 6      Using Message Filters to Enforce Email Policies
6-20
Cisco IronPort AsyncOS 7.5 for Email Advanced Configuration Guide
OL-25137-01
Attachment 
Dictionary Match
attachment-dictionary-match(
<dictionary_name>)
Does the attachment contain any of the regular 
expressions in the content dictionary named 
dictionary_name? Does the pattern occur the 
minimum number of times you specified for the 
threshold value? See 
Subject Dictionary 
Match
subject-dictionary-match(<di
ctionary_name>)
Does the Subject header contain any of the 
regular expressions or terms in the content 
dictionary named dictionary name? See 
Header Dictionary 
Match
header-dictionary-match(<dic
tionary_name>, <header>)
Does the specified header (case insensitive) 
contain any of the regular expressions or terms in 
the content dictionary named dictionary name
See 
.
Body Dictionary 
Match 
body-dictionary-match(<dicti
onary_name>)
This filter condition returns true if the dictionary 
term matches content in the body of the message 
only. The filter searches for terms within the 
MIME parts not considered to be an attachment. 
and it returns true if the user-defined threshold is 
met (the default threshold value is one). See 
Envelope Recipient 
Dictionary Match
rcpt-to-dictionary-match(<di
ctionary_name>)
Does the envelope recipient contain any of the 
regular expressions or terms in the content 
dictionary named dictionary name? See 
Envelope Sender 
Dictionary Match
mail-from-dictionary-match(<
dictionary_name>)
Does the envelope sender contain any of the 
regular expressions or terms in the content 
dictionary named dictionary name? See 
SMTP 
Authenticated User 
Match
smtp-auth-id-matches(<target
[, <sieve-char>]
Does the address of the Envelope Sender and the 
address in message header match the 
authenticated SMTP user ID of the sender? See 
Table 6-2
Message Filter Rules
Rule Syntax 
Description