On Thu, Jul 22, 1999 at 08:48:52AM -0500, Ken Jones wrote:
> [EMAIL PROTECTED] wrote:
> >
> > I have a qmail server set up such that it's being used as a relay (all incoming
> > mail just gets dumped to whatever is in smtproutes). anyway, sometimes the
> > machine that my qmail box is relaying to goes down or crashes, whatever. Is
> > there a hack to allow qmail to relay somewhere else if that host is down or if
> > the queue builds up to a certain number (which usually also means that the host
> > its trying to relay to is down)?
> >
> > regards,
> > Jason
>
> If you were somehow able to route the email thru qmtp to a qmtp
> server, you can specify multiple qmtp servers. If the first connection
> is dead it tries the next line in the file.
That'd be qmqp, not qmtp.
> That would allow you to send to a backup machine.
>
> Of course all three machines would have to be running qmail.
> And the relay machine would have to use the mini-qmail install.
>
> From what I read of qmtp, it will not store the email on disk before
> sending to the next machine. It will envoke a network connection
> immediately and try to send it there.
That's true (of qmqp). But Bruce Guenter's nullmailer
(http://em.ca/~bruceg/nullmailer/) allows you to use qmqp and still have
queueing. I don't know much about it, but I think it supports smtp too.
Chris
