DL Neil via Postfix-users:
> Slightly off-topic.
>
> My bottom-of-the-line VPS is being deprecated. Making me grumpy because
> it has been working so well (+updates) for all these years!
>
> Very low volume Postfix/Dovecot for a half-dozen domains, plus a
> rarely-used Apache serving only static pages, and the occasional
> code-example download for our user group, ie spends most of the day
> at-idle and rarely exceeds 50% load.
>
> Have been offered choice of more-modern Cloud-VPS systems, and two
> addressing options:
>
> Q1:
> can an email server be run off IPv6 (exclusively) these days, or are
> IPv4 + v6 alternatives necessary?
You need IPv4, if you have remote users. IPv6 would be fine
for internal usage, though.
> Q2:
> given the minuscule work-load, is there any preference/preclusion
> between employing the 'usual' x86 processor or 2 Arm Ampere processors?
> Both offer Linux. Cost is effectively same.
You mentioned a VPS, which means shared hardware, i.e. unused CPU
resources are not really unused, they can be used by someone else.
> Bonus Q: (sheer curiosity)
> Might the latter answer change in a 'real' enterprise environment?
I expect that will depend on the kind of workloads that will be
running on that shared infrastructure.
Wietse
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