Cisco Cisco Email Security Appliance C670 Guida Utente

Attachment contains. Drops all attachments on messages 
that contain the regular expression. Archive files (zip, tar) 
will be dropped if any of the files they contain match the 
regular expression pattern.

Contains smart identifier. Drops all attachments on a 
message that contains the specified smart identifier. 

Attachment contains terms in the content dictionary. 
Does the attachment contain any of the regular expressions 
or terms in the content dictionary named <dictionary 
name>? 

Number of matches required. Specify the number of 
matches required for the rule to evaluate to true. You can 
specify this threshold for text, smart identifier, or content 
dictionary matches.

Replacement message. The optional comment serves as the 
means to modify the text used to replace the attachment that 
was dropped. Attachment footers simply append to the 
message.