> > > Which "backend"? > "random or designated"
Viktor's comment:
7. Some suitable process arranges to update the peer servers
whenever a new certificate is obtained by some (
*random or designated)* server in the cluster. Or some completely
separate provisioning system could do the certificate
acquisition and push the cert files, ...
---
>From my point of view this approach requires some scripting and probably
more complex than "frontend" Postfix with several $relayhost I wrote about
