Installing a Comodo SSL Certificate on Zimbra Collaboration

Installing a Comodo SSL Certificate

Use the article as a guide to installing a Comodo issued SSL certificate with the zmcertmgr tool or the Admin Console.

Using the CLI

• 1. Get the bundle from Comodo in crt format, or sometimes like a zip file. Is always good call or write Comodo and obtain the proper Bundle, but you can also download each file from the next URL (SHA2 files) - https://support.comodo.com/index.php?/Default/Knowledgebase/Article/View/620/1/
• 2. Place the bundle on your Zimbra mailbox server. You should receive, or download, the next files:
  • AddTrustExternalCARoot.crt
  • COMODORSAAddTrustCA.crt
  • COMODORSADomainValidationSecureServerCA.crt
  • my_domain_com.crt files

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