default sendmail procedure is to keep trying to deliver mail for 5 days
before giving up. It typically tries every 4 hours to deliver queued
mail.
A machine can be set up to hold mail to relay to you, but it also gives
up on forwarding the mail after a certain amount of time.
bug
On Fri, 1 Oct 1999, Eric Solberg wrote:
> I'm running my Linux server on a PacBell DSL line. I love the speed but
> there have been several outages. I've found lots of sites that provide
> secondary DNS services (PB is doing this for me), but I haven't found
> anybody that provides backup mail exchange services. Is there such a thing?
> Do relays hold onto undeliverable mail long enough that this probably isn't
> necessary? Any recommendations? I hate the thought of having flaky email
> delivery.
>
