Cisco Cisco Email Security Appliance C160 用户指南
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Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide
OL-25137-01
Chapter 1 Customizing Listeners
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The remote MTA does not support ESMTP (for example, it did not understand the EHLO command
from the Cisco IronPort appliance).
from the Cisco IronPort appliance).
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The remote MTA supports ESMTP but “STARTTLS” was not in the list of extensions it advertised
in its EHLO response.
in its EHLO response.
•
The remote MTA advertised the “STARTTLS” extension but responded with an error when the Cisco
IronPort appliance sent the STARTTLS command.
IronPort appliance sent the STARTTLS command.
CLI Example
In this example, the
destconfig
command is used to require TLS connections and encrypted
conversations for the domain “partner.com.” The list is then printed.
A certificate for example.com is used for outgoing TLS connections instead of the demonstration
certificate that is pre-installed. You may enable TLS with the demonstration certificate for testing
purposes, but it is not secure and is not recommended for general use.
certificate that is pre-installed. You may enable TLS with the demonstration certificate for testing
purposes, but it is not secure and is not recommended for general use.
mail3.example.com> destconfig
There is currently 1 entry configured.
Choose the operation you want to perform:
- SETUP - Change global settings.
- NEW - Create a new 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.
- IMPORT - Import tables from a file.
- EXPORT - Export tables to a file.
[]> setup
The "Demo" certificate is currently configured. You may use "Demo", but this will not be
secure.
1. example.com
2. Demo