Thank Bill for your info.
Regards,
Minh.

Dear Jorge,

Where can I find the final info and result? I have some customers who keep asking about Log Management solution. It's great if we have the real deployment model and guideline.

Best regards,
MINH.

Thank JDunphy a lot for your great work!

Wow, thank JDunphy for your time and effort. Wish you a happy new year!
I used to use method 2 for multi server environment.
Minh.

Dear JDunphy,
In case of multi server as well as multi-domain could you please describe the general steps?
Thanks,
Minh.

Dear, thank you very much. You are super! Just a tiny mistake when copy and paste. My output is:

It's lack of one "-" at the beginning of the third cert.

Regards, Minh

Dear, I get stuck at this step: root@mail:/home/example/.acme.sh/mail.zimilab.com# su zimbra -c "/opt/zimbra/bin/zmcertmgr verifycrt comm mail.example.com.key mail.example.com.cer fullchain.cer" ** Verifying 'mail.zimilab.com.cer' against 'mail.example.com.key' Certificate 'mail.zimilab.co...