Task #192
* [ ] Alihkan surel untuk postmaster@
* [ ] Buat aturan sieve untuk memindahkan surel ke folder khusus
```sieve
require ["fileinto", "envelope"];
# Rule: Move mail sent to the postmaster address
if envelope :is "to" "postmaster@yourdomain.com" {
fileinto "Postmaster-Inbox";
stop;
}
```