Kalpin Erlangga Silaen: > Thank you for your help. But I want all user in backup.example.com has > same domain. Let me explain bit more.
Postfix delivers one address in one place. This is a basic property that will not change. If you must maintain two parallel message stores, instead of presenting multiple views of the same store, I suggest you use a proper message store replication protocol, instead of MTA-level parallel deliveries. Wietse