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→OVERVIEW & PREPARATION
Last week, we configured and ran the '''Postfix''' application for our MTA (a.k.a. SMTP server) on our '''vm2''' and '''vm3''' machines.
That setup had a some major drawbackdrawbacks:
:* It required an SMTP server ('''MTA''') to be configured on each machine.
:* The Message Store ('''MS''') would also be unique to each machine - what a user received on one server would not exist on any other.
