Integrate/distribute certificates from another ACME instance

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This post answers a tail of my question:

Import and assigne Letsencrypt certificates to UCS

Hi all, I have a little luxury problem and maybe some one can suggest me a solution for that. I run the UCS in a VM on a Synology DiskStation 15717+ which works perfect. The DiskStation (DS) handles also the Letsencrypt Certificates in case it’s easier to forward whit NGINX the SSL Port to the Kopano Webapp and z-push whit sub domains and also in case that several Services also running on the DS whit SSL support To do it in the other direction was not successful in case the Folder on the DS …

The adjustments are not made in the default ssl or its template, but in the corresponding UCR variable of the respective service.

I assume that automatic distribution by UCS doesn’t work that directly. Or am I wrong?

So I have the files copied to the respective host and set the UCR variables on the UCS systems accordingly.