Need advice for setting up mail server

[RW]

On Sun, 7 Aug 2016 16:52:56 +0100
Steve O'Hara-Smith wrote:

> 
> 	For DNS there are many alternatives,  but for simplicity
> there's little to beat dnsmasq (perhaps not the most performant but
> good enough for a smallish network). I had unbound and nsd running
> for my DNS for a while, it was a *nightmare* that I never got working
> smoothly.

If you are running a mail server you shouldn't do DNSBL lookups through
a shared ISP DNS cache because the lists have per IP address limits.
This pretty much rules out dnsmasq since it can't do it's own lookups.