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Linux Email: Set up and Run a Small Office Email Server by Patrick Ben, Magnus Back, Alistair McDonald, Carl Taylor, David Rusenko

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E-Mail

It may or may not make sense to back up the Postfix queue of a working system depending on the situation.

With Postfix, e-mail messages hit your disk at least twice:

  • The first time that the e-mail messages hit your drive is when they are being accepted by Postfix; they are written to Postfix's queue_directory before delivery continues.
  • If it's mail for your domains, then your server is the final destination for these mails and their lifespan in the queue_directory is extremely short. They hit the queue, just to be delivered to the user's mailbox immediately afterwards. That's the second time they hit your disk.
  • If it's mail that goes ...

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