> On Apr 19, 2018, at 4:24 PM, Wietse Venema <wie...@porcupine.org> wrote: > > In both maps, > > @alaska.com @alaskan.com > > would do the domain translation. > > Caution: with this, Postfix will accept email for any addr...@alaska.com > including addresses that are later found to be undeliverable. If > someone starts to send lots of mail to random addresses at alaska.com, > then your mail queue will fill up with bounce messages.
I think in this case both domains are remote, in which case the bounce issue may be moot. Only users authorized to send outbound mail can create email for the destination in question, and the goal is to "correct" the destination domain. -- Viktor.