Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
1-21
Cisco IronPort AsyncOS 7.1 for Email Configuration Guide
OL-22158-02
Chapter 1 Getting Started with the IronPort Email Security Appliance
Mail Flow and the IronPort M-Series Appliance
If you include an M-Series appliance in your configuration, mail is sent to the
IronPort M-Series appliance from other IronPort (C- and X-Series) appliances.
An IronPort appliance that is configured to send mail to an IronPort M-Series
appliance will automatically expect to receive mail released from the M-Series
appliance and will not re-process those messages when they are received back —
messages will bypass the HAT and other policy or scanning settings and be
delivered. For this to work, the IP address of the IronPort M-Series appliance must
not change. If the IP address of the IronPort M-Series appliance changes, the
receiving C- or X-Series appliance will process the message as it would any other
incoming message. Always use the same IP address for receiving and delivery on
the IronPort M-Series appliance.
IronPort M-Series appliance from other IronPort (C- and X-Series) appliances.
An IronPort appliance that is configured to send mail to an IronPort M-Series
appliance will automatically expect to receive mail released from the M-Series
appliance and will not re-process those messages when they are received back —
messages will bypass the HAT and other policy or scanning settings and be
delivered. For this to work, the IP address of the IronPort M-Series appliance must
not change. If the IP address of the IronPort M-Series appliance changes, the
receiving C- or X-Series appliance will process the message as it would any other
incoming message. Always use the same IP address for receiving and delivery on
the IronPort M-Series appliance.
The IronPort M-Series appliance accepts mail for quarantining from the IP
addresses specified in the IronPort Spam Quarantine settings. To configure the
local quarantine on the IronPort M-Series appliance see the IronPort AsyncOS for
Security Management User Guide . Note that the local quarantine on the IronPort
M-Series appliance is referred to as an external quarantine by the other IronPort
appliances sending mail to it.
addresses specified in the IronPort Spam Quarantine settings. To configure the
local quarantine on the IronPort M-Series appliance see the IronPort AsyncOS for
Security Management User Guide . Note that the local quarantine on the IronPort
M-Series appliance is referred to as an external quarantine by the other IronPort
appliances sending mail to it.
Mail released by the IronPort M-Series appliance is delivered to the primary and
secondary hosts (IronPort appliance or other groupware host) as defined in the
Spam Quarantine Settings (see the IronPort AsyncOS for Security Management
User Guide ). Therefore, regardless of the number of IronPort appliances
delivering mail to the IronPort M-Series appliance, all released mail,
notifications, and alerts are sent to a single host (groupware or IronPort
appliance). Take care to not overburden the primary host for delivery from the
IronPort M-Series appliance.
secondary hosts (IronPort appliance or other groupware host) as defined in the
Spam Quarantine Settings (see the IronPort AsyncOS for Security Management
User Guide ). Therefore, regardless of the number of IronPort appliances
delivering mail to the IronPort M-Series appliance, all released mail,
notifications, and alerts are sent to a single host (groupware or IronPort
appliance). Take care to not overburden the primary host for delivery from the
IronPort M-Series appliance.