How to Change hostname on zimbra

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Step: 1

 To stop zimbra all services.

 #su zimbra
#zmcontrol stop

 Step: 2

 To execute the below commands with new hostname

 #/opt/zimbra/libexec/zmsetservername -n newhostname (mail.server.lan)

 Step: 3

 Then start the zimbra service.

 #zmcontrol start

 REF:
https://dilliganesh.wordpress.com/category/zimbra/

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