Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
33-3
Cisco AsyncOS 9.5 for Email User Guide
Chapter 33 System Administration
Management of the Appliance
•
To suspend the delivery of emails to a specific domain or subdomain, in Specify
Domain(s)/Subdomain(s) field, enter the domain or subdomain name or IP address, and press
Enter. Use comma-separated text to add multiple entries.
Domain(s)/Subdomain(s) field, enter the domain or subdomain name or IP address, and press
Enter. Use comma-separated text to add multiple entries.
Step 4
Enter number of seconds to wait to allow open connections to complete before forcing them to close.
If there are no open connections, the system goes offline immediately.
The default delay is 30 seconds.
Step 5
Click Commit.
What To Do Next
When you are ready to resume suspended services, see
.
Resuming Suspended Email Receiving and Delivery
Use the Shutdown/Suspend page or the r
esume
command to resume the suspended receiving and delivery
of emails.
Procedure
Step 1
Select System Administration > Shutdown/Suspend.
Step 2
In the Mail Operations section, select the functions and/or listeners to resume.
If the appliance has multiple listeners, you can resume email receiving on individual listeners.
Step 3
Resume the delivery of all emails or emails to a particular domain or multiple domains.
In Specify Domain(s)/Subdomain(s) field, click the close icon on the intended entry.
Step 4
Click Commit.
Taking an Appliance Offline Using the CLI
If Cisco support tells you to do so, place Cisco IronPort AsyncOS into the offline state.
When the system is offline:
•
Inbound email connections are not accepted.
•
Outbound email delivery is halted.
•
Log transfers are halted.
•
The CLI remains accessible.
Procedure
Step 1
Use the
offline
command.