Cisco Cisco Email Security Appliance C190 Guía Del Usuario
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User Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 25 Configuring Routing and Delivery Features
Controlling Email Delivery Using Destination Controls
Controlling Email Delivery Using Destination Controls
Uncontrolled high-volume email delivery can overwhelm recipient domains. AsyncOS gives you full
control of message delivery by defining the number of connections your appliance will open or the
number of messages your appliance will send to each destination domain.
control of message delivery by defining the number of connections your appliance will open or the
number of messages your appliance will send to each destination domain.
Using the Destination Controls feature (Mail Policies > Destination Controls in the GUI, or the
destconfig
command in the CLI), you can control:
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Rate Limiting
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Concurrent Connections: number of simultaneous connections to remote hosts the appliance will
attempt to open.
attempt to open.
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Maximum Messages Per Connection: number of messages your appliance will send to a destination
domain before the appliance initiates a new connection.
domain before the appliance initiates a new connection.
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Recipients: number of recipients the appliance will send to a given remote host in a given time
period.
period.
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Limits: how to apply the limits you have specified on a per-destination and per MGA hostname
basis.
basis.
TLS
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Whether TLS connections to remote hosts will be accepted, allowed, or required (see
).
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Whether to send an alert when TLS negotiation fails when delivering a message to a remote host that
requires a TLS connection. This is a global setting, not a per-domain setting.
requires a TLS connection. This is a global setting, not a per-domain setting.
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Assign a TLS certificate to use for all outbound TLS connections to remote hosts.
Bounce Verification
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Whether or not to perform address tagging via Bounce Verification (see
Bounce Profile
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Which bounce profile should be used by the appliance for a given remote host (the default bounce
profile is set via the Network > Bounce Profiles page).
profile is set via the Network > Bounce Profiles page).
You can also control the default settings for unspecified domains.
Related Topics
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