Deploy Certificate or renew certificate on Zimbra server

In this example we used Zimbra Admin interface to create csr. This is done by going to Configure – Certificates then right click on the server name and then select install certificates. In the menu choose create csr. Ones comepleted submit to certificate authority of your choice – We used Go Daddy.
Ones verified we received zip file with 2 certificates. Server certificate 843535.crt and intermid. certificate bundlexx.crt

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Follow steps below to complete

mkdir /root/certs   # place the cert files in there

rename gd_bundlxx.crt (given by GoDaddy when downloading certificate) to commercial_ca.crt.

mv gd_bundlxx.crt commercial_ca.crt

verify the certificate

cd /root/certs
/opt/zimbra/bin/zmcertmgr verifycrt comm /opt/zimbra/ssl/zimbra/commercial/commercial.key ./843535.crt ./commercial_ca.crt

deploy the cert

cd /root/certs
/opt/zimbra/bin/zmcertmgr deploycrt comm ./843535.crt ./commercial_ca.crt

restart the zimbra services

  su - zimbra
  zmcontrol stop
  zmcontrol start