Cisco Cisco Email Security Appliance X1050 Notas de publicación
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Release Notes for Cisco AsyncOS 8.5.5 for Email
Resolved Issues
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Accessing the Sender Group Report
You can now access the Sender Group report directly from the Monitor menu; the link has been removed
from the bottom of the Incoming Mail report page.
from the bottom of the Incoming Mail report page.
Feature Key for Centralized Management
Feature key is no longer required to enable Centralized Management feature. By default, Centralized
Management feature is enabled on your appliance.
Management feature is enabled on your appliance.
Revised Threshold Levels for Entering Resource Conservation Mode
Prior to this release, Email Security appliance enters resource conservation mode when the RAM
utilization exceeds 75% and the allowed injection rate is gradually decreased as RAM utilization
approaches 85%.
utilization exceeds 75% and the allowed injection rate is gradually decreased as RAM utilization
approaches 85%.
From version 8.0 onwards, AsyncOS for Email is a 64-bit software. As a result of this changed memory
model, the threshold values are revised in this release. Appliance enters resource conservation mode
when the RAM utilization exceeds 45% and the allowed injection rate is gradually decreased as RAM
utilization approaches 60%. This change does not affect the memory utilization on the appliance and all
the components in the appliance continue to use the memory as earlier.
model, the threshold values are revised in this release. Appliance enters resource conservation mode
when the RAM utilization exceeds 45% and the allowed injection rate is gradually decreased as RAM
utilization approaches 60%. This change does not affect the memory utilization on the appliance and all
the components in the appliance continue to use the memory as earlier.
Caution
Appliances with large memory utilization, especially with large system quarantine, can enter resource
conservation immediately after upgrading to this release. To avoid this scenario, make sure that you
reduce the system quarantine to a few thousand messages before upgrading.
conservation immediately after upgrading to this release. To avoid this scenario, make sure that you
reduce the system quarantine to a few thousand messages before upgrading.
Resolved Issues
Resolved Issues in Release 8.5.5
Reference Number
Description
Fixed: Grace period for incoming mail handling does not work after
upgrading from AsyncOS 8.0.x for Email to AsyncOS 8.5.0 for Email.
upgrading from AsyncOS 8.0.x for Email to AsyncOS 8.5.0 for Email.