Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
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Cisco AsyncOS 8.5.5 for Email Security User Guide
Chapter 19 Email Authentication
DMARC Verification
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.
Edit a DMARC Verification Profile
Procedure
Step 1
Choose Mail Policies > DMARC.
Step 2
Click the intended verification profile name.
Step 3
Edit the intended fields as described in
.
Step 4
Submit and commit your changes.