change domain

[vega1000500]

my case
i create mail server on domain x.com
i do forward to another domain on another vps called y.com as backup with same accounts names

my problem is can when server x.com down is can change domain name from y.com to x.com in vestacp with keep mail account to replace it and go online fast

[leisegang]

I believe you can do this with rsync. The mirroring of the servers.

Then you can use something like cloudflare i believe to redirect the traffic to the working server.

I dont know much about this setup.