Ian Eiloart escribió:
>
>
> --On 9 November 2007 12:50:43 +0100 Adrian Chapela 
> <[EMAIL PROTECTED]> wrote:

> Provision of IP failover is highly dependent on the platform that 
> you're using. It's not required for MX availability, because remote 
> servers will try all your advertised servers. It is required for MSA 
> availability, because MUAs will not.
Yes you are right, but if you have clients locally on your company, they 
must connect to a smtp server and DNS round robin it isn't the best 
solution to get hight availability (IMHO).
>
> We use MacOSX servers. OSX has a reasonably easy to configure IP 
> failover mechanism, as long as you only have two servers. When we went 
> beyond two servers, we deployed spread and wackamole which make 
> failover configurations for any number of servers trivial. For 
> example, we have 12 imap server IP addresses, to ensure good load 
> balancing with either 4, 3 or 2 available hosts. Wackamole simply 
> needs to know what the addresses are, and endeavours to share them out 
> equally among available servers.
Yes.. it sounds perfect...
>
> <http://www.spread.org/>
> <http://www.backhand.org/wackamole/>

Best regards.

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