On 11 Jul 2001, Wayne Pascoe wrote:
> Hi there,
>
> I am (finally) about to setup backup MX servers for some of my mail
> servers. I've had a look through the archives, and I have some
> questions:
>
> 1. I see that people advise increasing the retry time on the backup
> server. Would this kind of rule be acceptable ?
> * * F,1d,30m; G,4d,4h; F,100d,8h
>
do i miss somthing or would you like to get your e-mails after half year?
>
> 2. I have to tell the server that it is ok to relay for any of the
> domains. Can I do this in a dbm file as I would for my forwardings, or
> should this be done in the config file ?
>
it depends on the amount of domains and how ofte they are changing.
>
> 3. I don't want this machine to attempt local delivery for any of the
> domains that it is a backup server for. How do I make this the case?
>
the machine will not attempt local delivery for any of the domains if they
are not "local".
>
> 4. Is there any way that I can specify on a per domain basis which
> server I want the backup to try and relay to, or is this done based on
> the lowest MX record in that domain's DNS ?
>
this is done by DNS.
Robert