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Re: Redundant mail server



On Sun, 2005-02-13 at 22:10 -0800, Curtis Vaughan wrote:

> The problem as I see it is this. Fine they have a redundant server, but 
> it wouldn't be able to recieve any mail, because the domain name for 
> the  mail server points to the US office. There is no way that I'm 
> aware of to rapidly switch the IP address of the mail's domain name and 
> then switch it back when the US office mail server is back up.

Define "rapidly". You could set up a cron job to check the local server
every 60 seconds -- and if it isn't up, rsync the relevant email files
to the remote server, change the MX record(s) with sed, and reload the
DNS server. And vice versa.

-- 
Glenn English
ghe@slsware.com
GPG ID: D0D7FF20

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