First, thanks to all who replied....
"Peter C. Norton" wrote:
>
> You could deliver all email that you're intending to forward into a
maildir
> and user djb's serialmail to deliver when you want it to. Its pretty
simple
> to setup and should work fine with a virtualdomain setup for each
domain
> that you backup. You could just set serialmail to run ever 5 or 10
minutes
> automaticly and you'd have automated store and forward.
serialmail sounds useful--I'll check into it. Thanks.
"Tim Hosking" wrote:
>
> That's odd. I have a similar set-up and it just works. I don't have to
do
> anything to have the mail relayed to the primary when it comes back
online.
> Assuming that the backup server has an entry for the primary's domain
in
> esmtpacceptmailfor.dir/accept and that domain is not listed in locals
or
> hosteddomains then the forwarding should be automatic.
>
> I don't pretend to know exactly how this is achieved or indeed if I am
> correct in the above statements, but it sounds to me as if you have a
> configuration error. Can anyone out there clarify this?
You're right. I have "domain.com" listed in esmtpacceptmailfor.dir/file
of the
backup server, but I also put it in hosteddomains so that users can
connect to
it to download messages if the primary server is down for a long time.
"Bill Michell" wrote:
>
> You have only made a half-hearted attempt at a distributed system
here.
> There would appear to be two possible solutions:
> 1) Tell mail2 that it is merely a backup MX for the domain, not the
primary.
> Then it will automatically forward messages when the primary comes
back up -
> but users will not be able to connect to it to download messages
> 2) Go for a proper mail cluster. Essentially, you want to set up a
common
> mail store area, either by sharing the file system, or else by
replicating
> content between them.
>
> The first is much simpler. The second is more resilient, but will take
a
> significant effort.
>
> Which would you prefer?
I want to do #1, mostly due to the traffic that #2 would generate (the
two
servers are geographically separated by about 1500 miles). I apologize
for
being unclear in my original post; what I'd like to be able to do is
have
store-and-forward, but also allow clients to connect for messages in
case the
primary server is down for a long time.
Thanks again,
William Hue
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