Installing a Comodo SSL Certificate on ZCS 5.0.x

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This article applies to the following ZCS versions.
  ZCS 5.0 Article  ZCS 5.0

Installing a Comodo SSL certificate with zmcertmgr

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

1. Get a Tomcat bundle from Comodo in PEM format.

2. Place the bundle on your Zimbra mailbox server. You should receive a ca_root.crt and ca_intermediate.crt files. Note the root and intermediate files may have different names.

3. Cat the CA certs to form a single CA certificate chain file

 cat ca_root.crt ca_intermediate.crt > /tmp/ca_bundle.crt

In the case of a PositiveSSL cert,

 cat PositiveSSLCA.crt UTNAddTrustServerCA.crt AddTrustExternalCARoot.crt > /tmp/ca_bundle.crt

4. Place server certificate in /tmp/server.crt. For PositiveSSL, this will be the one in the form servername_domainname_tld.crt (e.g., www_example_com.crt)

 cp www_example_com.crt /tmp/server.crt

5. Deploy the commercial certificate with zmcertmgr as the root user.

 cd /opt/zimbra/bin
 ./zmcertmgr deploycrt comm /tmp/server.crt /tmp/ca_bundle.crt
Verified Against: Zimbra Collaboration Suite 5.x Date Created: 9/2/2008
Article ID: Date Modified: 03/25/2015
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