Cisco Cisco Email Security Appliance C690 User Guide

Header name. Name of new or existing header.

Specify value of new header. Inserts a value for the new header into the 
message before delivering.

Prepend to the Value of Existing Header. Prepends the value to the existing 
header before delivering.

Append to the Value of Existing Header. Appends the value to the existing 
header before delivering.

Search & Replace from the Value of Existing Header. Enter a search term 
to find the value you want to replace in the existing header in the Search for 
field. Enter the value you want to insert into the header in the Replace with 
field. You can use a regular expression to search for the value. Leave the 
Replace with field empty if you want to delete the value from the header.

Inserts a custom term into the message to use with RSA Email DLP policy 
filtering. You can configure a RSA Email DLP policy to limit scanning to 
messages with the message tag. The message tag is not visible to recipients. 
For information on using messages tags in a DLP policy, see 

.

Inserts customized text into the IronPort Text Mail logs at the 

INFO

 level. The 

text can include action variables. The log entry also appears in message 
tracking.

Performs an S/MIME signing or encryption of the message during the 
delivery. This means that the message continues to the next stage of 
processing, and when all processing is complete, the message is signed or 
encrypted and delivered.

S/MIME Sending Profile: Performs an S/MIME signing or encryption 
using the specified S/MIME sending profile. See 

.