Cisco Cisco Email Security Appliance C650 Guía Del Usuario
21-4
User Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 21 Email Authentication
Configuring DomainKeys and DKIM Signing
If you are entering an existing key, simply paste it into the form. Another way to use existing signing
keys is to import the key as a text file. For more information about adding existing signing keys, see
keys is to import the key as a text file. For more information about adding existing signing keys, see
Once a key is entered, it is available for use in domain profiles, and will appear in the Signing Key
drop-down list in the domain profile.
drop-down list in the domain profile.
Related Topics
•
Exporting and Importing Signing Keys
You can export your signing keys to a text file on the appliance. When you export keys, all of the keys
currently existing on the appliance are put into a text file. For more information about exporting keys,
see
currently existing on the appliance are put into a text file. For more information about exporting keys,
see
.
You can import keys that have been exported as well.
Note
Importing keys causes all of the current keys on the appliance to be replaced.
For more information, see
Public Keys
Once you have associated a signing key with a domain profile, you can create DNS text record which
contains your public key. You do this via the Generate link in the DNS Text Record column in the domain
profile listing (or via
contains your public key. You do this via the Generate link in the DNS Text Record column in the domain
profile listing (or via
domainkeysconfig -> profiles -> dnstxt
in the CLI):
For more information about generating a DNS Text Record, see
You can also view the public key via the View link on the Signing Keys page:
Figure 21-2
View Public Key Link on Signing Keys Page
Domain Profiles
A domain profile associates a sender domain with a signing key, along with some other information
needed for signing.
needed for signing.
•
A name for the domain profile.
•
A domain name (the domain to be included in the “d=” header).