IronPort - advanced configuration guide

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Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide
Chapter 3 LDAP Queries
You can configure delayed rejection using the listenerconfig --> setup CLI command. This behavior
is disabled by default.
The following table shows how to configure delayed rejection for HAT.
example.com> listenerconfig
Currently configured listeners:
1. listener1 (on main, 172.22.138.17) QMQP TCP Port 628 Private
2. listener2 (on main, 172.22.138.17) SMTP TCP Port 25 Private
Choose the operation you want to perform:
- NEW - Create a new listener.
- EDIT - Modify a listener.
- DELETE - Remove a listener.
- SETUP - Change global settings.
[]> setup
Enter the global limit for concurrent connections to be allowed across all listeners.
[300]>
[...]
By default HAT rejected connections will be closed with a banner
message at the start of the SMTP conversation. Would you like to do the rejection at the
message recipient level instead for more detailed logging of rejected mail?
[N]> y
Do you want to modify the SMTP RCPT TO reject response in this case?
[N]> y
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