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Cisco Cisco Email Security Appliance C690 User Guide

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Cisco IronPort AsyncOS 7.5 for Email Daily Management Guide
OL-25138-01
Chapter 6      Managing and Monitoring via the CLI
Managing the Email Queue
Suspending Email Delivery
To temporarily suspend email delivery for maintenance or troubleshooting, use 
the 
suspenddel
 command. The 
suspenddel
 command puts Cisco IronPort 
AsyncOS into suspended delivery state. This state is characterized by the 
following:
  •
Outbound email delivery is halted.
  •
Inbound email connections are accepted.
  •
Log transfers continue.
  •
The CLI remains accessible.
The 
suspenddel
 command lets open outbound connections close, and it stops any 
new connections from opening. The 
suspenddel
 command commences 
immediately, and allows any established connections to successfully close. Use 
the 
resumedel
 command to return to regular operations from the suspended 
delivery state.
Note
The “delivery suspend” state is preserved across system reboots. If you use the 
suspenddel
 command and then reboot the appliance, you must resume delivery 
after the reboot using the 
resumedel
 command. 
[0]      [0]       1703@example.com
1533     1230      user123456@ironport.com Testing
[0]      [0]       3052@example.com
1536     1230      user123456@ironport.com Testing
[0]      [0]       511@example.com