Cisco Cisco Email Security Appliance C370D Guia Do Utilizador
Chapter 5 Configuring the Gateway to Receive Email
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Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
DKIM Verification
Enable DKIM verification.
SPF/SIDF Verification
Enable SPF/SIDF
Verification
Verification
Enable SPF/SIDF signing on this listener. For more
information, see the “Email Authentication” chapter of
the Cisco IronPort AsyncOS for Email Advanced
Configuration Guide.
information, see the “Email Authentication” chapter of
the Cisco IronPort AsyncOS for Email Advanced
Configuration Guide.
Conformance Level
Set the SPF/SIDF conformance level. You can choose
from SPF, SIDF or SIDF Compatible. For details, see
the “Email Authentication” chapter of the Cisco
IronPort AsyncOS for Email Advanced Configuration
Guide.
from SPF, SIDF or SIDF Compatible. For details, see
the “Email Authentication” chapter of the Cisco
IronPort AsyncOS for Email Advanced Configuration
Guide.
Downgrade PRA
verification result if
'Resent-Sender:' or
'Resent-From:' were
used:
verification result if
'Resent-Sender:' or
'Resent-From:' were
used:
If you choose a conformance level of SIDF compatible,
configure whether you want to downgrade Pass result of
the PRA Identity verification to None if there are
Resent-Sender: or Resent-From: headers present in the
message. You may choose this option for security
purposes.
configure whether you want to downgrade Pass result of
the PRA Identity verification to None if there are
Resent-Sender: or Resent-From: headers present in the
message. You may choose this option for security
purposes.
HELO Test
Configure whether you want to perform a test against
the HELO identity (Use this for SPF and SIDF
Compatible conformance levels).
the HELO identity (Use this for SPF and SIDF
Compatible conformance levels).
Untagged Bounces
Consider Untagged
Bounces to be Valid
Bounces to be Valid
Applies only if bounce verification tagging (discussed
in the “Configuring Routing and Delivery Features”
chapter of the Cisco IronPort AsyncOS for Email
Advanced Configuration Guide) is enabled. By default,
the appliance considers untagged bounces invalid and
either rejects the bounce or adds a custom header,
depending on the Bounce Verification settings. If you
choose to consider untagged bounces to be valid, the
appliance accepts the bounce message.
in the “Configuring Routing and Delivery Features”
chapter of the Cisco IronPort AsyncOS for Email
Advanced Configuration Guide) is enabled. By default,
the appliance considers untagged bounces invalid and
either rejects the bounce or adds a custom header,
depending on the Bounce Verification settings. If you
choose to consider untagged bounces to be valid, the
appliance accepts the bounce message.
Envelope Sender DNS Verification
See
Table 5-3
HAT Mail Flow Policy Parameters (Continued)
Parameter
Description