Use existing private key:
cp private.key /opt/zimbra/ssl/zimbra/commercial/commercial.key
copy all cert file to /opt/zimbra/ssl/cert/
Verify:
/opt/zimbra/bin/zmcertmgr verifycrt comm /opt/zimbra/ssl/zimbra/commercial/commercial.key /opt/zimbra/ssl/cert/485c010124755ddb.crt /opt/zimbra/ssl/cert/gd_bundle-g2-g1.crt
Deploy:
/opt/zimbra/bin/zmcertmgr deploycrt comm /opt/zimbra/ssl/cert/485c010124755ddb.crt /opt/zimbra/ssl/cert/gd_bundle-g2-g1.crt
View:
/opt/zimbra/bin/zmcertmgr viewdeployedcrt
zmcontrol restart
OR create new private key:
/opt/zimbra/bin/zmcertmgr createcsr comm -new -subject "/C=HK/ST=HK/L=HK/O=Zimbra/OU=Zimbra Collaboration Suite/CN=mail.domain.com" -subjectAltNames mail.domain.com