Cisco Cisco Email Security Appliance C170 Guía Del Usuario

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