How to set up a mail server on your Arch Linux VPS (Part Three)


Virtual mailbox domains

Up to now, you have been running your budding mail server in a virtual ALIAS configuration. As a system hosts more and more domains and users, it becomes less desirable to give every user their own system account, for reasons of administration and security.

Every recipient address can have its own virtual mailbox. Unlike with virtual ALIAS domains, owners of a virtual MAILBOX address do not need to have a system account.