Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
17-27
Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 17 Email Authentication
Enabling SPF and SIDF
The following shows how the SPF/SIDF settings are displayed for the listener’s Default Policy
Parameters.
Parameters.
2. Reject
[1]> 2
What SMTP action should be taken if HELO check returns PermError?
1. Accept
2. Reject
[1]> 2
Would you like to change SMTP actions taken for the MAIL FROM identity? [N]> n
Would you like to change SMTP response settings for the REJECT action? [N]> n
Verification timeout (seconds)
[40]>
SPF/SIDF Verification Enabled: Yes
Conformance Level: SPF only
Do HELO test: Yes
SMTP actions:
For HELO Identity:
None, Neutral: Accept
SoftFail, Fail, TempError, PermError: Reject
For MAIL FROM Identity: Accept
SMTP Response Settings:
Reject code: 550
Reject text: #5.7.1 SPF unauthorized mail is prohibited.
Get reject response text from publisher: Yes