Re: [Exim] Backup MX using exim

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Autor: Tamas TEVESZ
Data:  
A: Wayne Pascoe
CC: exim-users
Assumpte: Re: [Exim] Backup MX using exim
On 11 Jul 2001, Wayne Pascoe wrote:

 > 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


i'd say 100d is overkill. think about it, a message 3 months old
sitting in the queue ? even if it's a backup mx for some fixed-ip
dialup where the primary mx points to that - it just sounds insane.
i'd advise 1 months or the like..

> 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 ?


almost equally good... you don't have to restart the daemon (only
rebuild the db of course) if you're storing it outside the cf.

> 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?


don't set them local_domain

> 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 ?


i don't understand this :)

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