Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

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Chapter 5      Email Authentication
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Cisco IronPort AsyncOS 7.5 for Email Advanced Configuration Guide
OL-25137-01
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A selector (a selector is used to form the query for the public key. In the DNS 
query type, this value is prepended to the “_domainkey.” namespace of the 
sending domain).
  •
A canonicalization method (the method by which the headers and content are 
prepared for presentation to the signing algorithm). AsyncOS supports both 
“simple” and “nofws” for DomainKeys and “relaxed” and “simple” for 
DKIM.
  •
A signing key (see 
 for more information).
  •
A list of headers and the body length to sign (DKIM only).
  •
Expiration Time of Signature (DKIM only). Configure the time (in seconds) 
after which to expire the signature.
  •
A list of Profile Users (addresses allowed to use the domain profile for 
signing).
Note
The domain in the addresses specified in the profile users must match the domain 
specified in the Domain field.
You can search through all of your existing domain profiles for a specific term. 
See 
 for more information.
Exporting and Importing Domain Profiles
You can export your existing domain profiles to a text file on the Cisco IronPort 
appliance. When you export the domain profiles, all of the profiles existing on the 
appliance are put into a single text file. See 
.
You can import domain profiles that you have previously exported. Importing 
domain profiles causes all of the current domain profiles on the machine to be 
replaced. See 
.
Enabling Signing for Outgoing Mail
DomainKeys and DKIM signing is enabled on mail flow policies for outbound 
mail. For more information, see the “Configuring the Gateway to Receive Mail” 
chapter in the Cisco IronPort AsyncOS for Email Configuration Guide.