Cisco Cisco Email Security Appliance C190 Guia Do Utilizador
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Cisco AsyncOS 8.5 for Email User Guide
Chapter 18 Email Authentication
DMARC Verification
Create a DMARC Verification Profile
Use this procedure to create a new DMARC verification profile.
Note
By default, AsyncOS provides a default DMARC verification profile. If you do not want to create a new
DMARC verification profile, you can use the default DMARC verification profile. The default DMARC
verification profile is available on Mail Policies > DMARC page. For instructions to edit the default
DMARC verification profile, see
DMARC verification profile, you can use the default DMARC verification profile. The default DMARC
verification profile is available on Mail Policies > DMARC page. For instructions to edit the default
DMARC verification profile, see
.
Procedure
Step 1
Choose Mail Policies > DMARC.
Step 2
Click Add Profile.
Step 3
Enter the name of the profile.
Step 4
Set the message action that AsyncOS takes when the policy in the DMARC record is reject. Choose one
of the following:
of the following:
•
No Action. AsyncOS does not take any action on the messages that fail DMARC verification.
•
Quarantine. AsyncOS quarantines the messages that fail DMARC verification to a specified
quarantine.
quarantine.
•
Reject. AsyncOS rejects all messages that fail DMARC verification and returns a specified SMTP
code and response. The default values are, respectively:
code and response. The default values are, respectively:
550
and
#5.7.1 DMARC unauthenticated
mail is prohibited.
Step 5
Set the message action that AsyncOS takes when the policy in the DMARC record is quarantine. Choose
one of the following:
one of the following:
•
No Action. AsyncOS does not take any action on the messages that fail DMARC verification.
•
Quarantine. AsyncOS quarantines the messages that fail DMARC verification to a specified
quarantine.
quarantine.
Step 6
Set the message action that AsyncOS takes on the messages that result in temporary failure during
DMARC verification. Choose one of the following:
DMARC verification. Choose one of the following:
•
Accept. AsyncOS accepts messages that result in temporary failure during DMARC verification.
•
Reject. AsyncOS rejects messages that result in temporary failure during DMARC verification and
returns a specified SMTP code and response. The default values are, respectively:
returns a specified SMTP code and response. The default values are, respectively:
451
and
#4.7.1
Unable to perform DMARC verification.
Step 7
Set the message action that AsyncOS takes on the messages that result in permanent failure during
DMARC verification. Choose one of the following:
DMARC verification. Choose one of the following:
•
Accept. AsyncOS accepts messages that result in permanent failure during DMARC verification.
•
Reject. AsyncOS rejects messages that result in permanent failure during DMARC verification, and
returns a specified SMTP code and response. The default values are, respectively:
returns a specified SMTP code and response. The default values are, respectively:
550
and
#5.7.1
DMARC verification failed.
Step 8
Submit and commit your changes.