Cisco Cisco Email Security Appliance C370D Weißbuch

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In order to test, send some emails to the TLS partner domain that you 
setup in Step 3 (example.com), and then review the Monitor menu page 
to verify that TLS is working.
Enable TLS on the CLI
This example uses the destconfig command in order to require TLS 
connections and encrypted conversations for the domain 
example.com. 
Note that this example shows that TLS is required for a domain that 
uses the demonstration certificate pre-installed on the appliance. You 
can enable TLS with the demonstration certificate for testing purposes, 
but it is not secure and is not recommended for general use.
The value “Default” is set if you answer no to the question: “Do you 
wish to apply a specific TLS setting for this domain?” If you answer 
yes, 
choose 
No, Preferred, or Required.
ESA -> 
destconfig
Choose the operation you want to perform:
• 
SETUP - Change global settings.
• 
NEW - Create a new entry.
• 
EDIT - Modify an entry.
• 
DELETE - Remove an entry.
• 
DEFAULT - Change the default.
• 
LIST - Display a summary list of all entries.
• 
DETAIL - Display details for one destination or all entries.
• 
CLEAR - Remove all entries.
• 
IMPORT - Import tables from a file.
• 
EXPORT - Export tables to a file.
[]> 
new
Enter the domain you wish to configure.
[]> 
example.com
Choose the operation you want to perform:
• 
SETUP - Change global settings.
• 
NEW - Create a new entry.
• 
EDIT - Modify an entry.
• 
DELETE - Remove an entry.
• 
DEFAULT - Change the default.
• 
LIST - Display a summary list of all entries.
• 
DETAIL - Display details for one destination or all entries.
• 
CLEAR - Remove all entries.
• 
IMPORT - Import tables from a file.
• 
EXPORT - Export tables to a file.
[]> 
new
Enter the domain you wish to configure.
[]> 
example.com
Do you wish to configure a concurrency limit for example.com? [Y]> 
N
Do you wish to apply a messages-per-connection limit to this domain? 
[N]>
 N
Do you wish to apply a recipient limit to this domain? [N]> 
N
How-To Secure Communications -  
Setting Up Transport Layer Security (TLS)
Cisco Public