Cisco Cisco Email Security Appliance C650 Guía Del Usuario
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AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
Chapter 20 Email Authentication
Configuring DomainKeys and DKIM Signing
profile. For example, you would configure a return address of MAILER-DAEMON@example.com for
the bounce return address, and add MAILER-DAEMON@example.com as a profile user in the domain
profile.
the bounce return address, and add MAILER-DAEMON@example.com as a profile user in the domain
profile.
Configuring DomainKeys/DKIM Signing (GUI)
Procedure
Step 1
Create a new or import an existing private key. For information on creating or importing signing keys,
see
see
.
Step 2
Create a domain profile and associate the key with the domain profile. For information on creating a
domain profile, see
domain profile, see
Step 3
Create the DNS text record. For information about creating the DNS text record, see
Step 4
If you have not already done so, enable DomainKeys/DKIM signing on a mail flow policy for outbound
mail (see
mail (see
).
Step 5
Optionally, enable DomainKeys/DKIM signing for bounced and delay messages. For information about
enabling signing for bounce and delay messages, see
enabling signing for bounce and delay messages, see
.
Step 6
Send email. Mail sent from a domain that matches a domain profile will be DomainKeys/DKIM signed.
In addition, bounce or delay messages will be signed if you configured signing for bounce and delay
messages.
In addition, bounce or delay messages will be signed if you configured signing for bounce and delay
messages.
Note
If you create both a DomainKey and DKIM profile (and enable signing on a mail flow policy), AsyncOS
signs outgoing messages with both a DomainKeys and DKIM signature.
signs outgoing messages with both a DomainKeys and DKIM signature.
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