Cisco Cisco Email Security Appliance C680 User Guide

Hostnames such as "example.com" are allowed.

Partial hostnames such as ".example.com" are allowed.

IP addresses, IP address ranges, and partial IP addressed are allowed.

Separate multiple entries with commas.

[]> yoursystem.example.com, 10.1.2.29, badmail.tst, .tst

Do you want to enable rate limiting per host? (Rate limiting defines

the maximum number of recipients per hour you are willing to receive from a remote 

domain.) [N]> n

Default Policy Parameters

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Maximum Message Size: 100M

Maximum Number Of Connections From A Single IP: 600

Maximum Number Of Messages Per Connection: 10,000

Maximum Number Of Recipients Per Message: 100,000

Maximum Number Of Recipients Per Hour: Disabled

Use SenderBase for Flow Control:  No

Spam Detection Enabled:  No

Virus Detection Enabled:  Yes

Allow TLS Connections: No

Allow SMTP Authentication: No

Require TLS To Offer SMTP authentication: No

Would you like to change the default host access policy?  [N]> n

Listener BlackHole_1 created.

Defaults have been set for a Black Hole Queuing listener.

Use the listenerconfig->EDIT command to customize the listener.