Roland Turner wrote:
...snip....
> (Notes:
> - For those who don't follow, the problem is that having a single MX
> means that if that MX is down, the domain's entire mail service is down.
> - Telstra is not the only large ISP that exposes itself this way. I am
> not suggesting that Telstra is the world's worst, but that it's up there
> with them.
> - At least someone inside Telstra understands the risks associated with
> the lack of redundancy: telstra.com.au has two MXs.
> - It is likely that 139.134.5.153 has something comparable to a Cisco
> Director on it, and a farm of actual mail servers behind it. This is not
> enough, the Director and the network leading to it remain single points
> of failure.
Lazy referral - I believe there are some Linux Journal articles on
using clusters for mail serving that might be useful for some people.
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