새 기능
1- Repair Tool: a new check reports when Postfix greets the world with a name pinned at install time instead of the one the panel maintains, showing both names, and offers a button that hands the greeting back. A wrong greeting is what gets mail refused or filed as spam.
개선
1- The greeting is still never rewritten on its own. A few servers greet with their install-time name and that name is better than one we would derive, so the repair waits for the operator to ask for it.
버그 수정
1- That correction was previously only reachable by saving the server hostname — which did nothing when the hostname was already correct, exactly the case that needs it. A customer found this: "I did have to change the hostname, keeping the same and saving was not enough."