I’ve got a virtualmin instance which used to be called “test.domain”. I’ve now setup a new one to replace that instance, and the original one is going to be changed to “clients.domain”. The domains already on it are going to stay where they are.
When I change the hostname under the webmin Network Configuration, any other domains under that first setup no longer work. There is a mail loop, I get an error which includes :
mail for clients.domain loops back to myself.
Is there something else I need to do with postfix to accept that the test.domain has moved elsewhere and new.domain is now itself?