Am 02.12.2014 um 15:20 schrieb Matteo Dessalvi:
@Mark: thanks for the explanations about Amavis/SA.@Reindl: thanks, I am indeed using unbound as a DNS caching server. Interesting the option 'minimal-responses', I would check that
it's damned useful, Google using it also on their public NS
a drop of 25%-30% DNS traffic on our auth-nameservers
for BIND "minimal-responses yes;" inside options {}
the only drawback is that "dig" no longer resolves MX hostnames and so
on to the IP until you ask explicit, well for that i wrote a
web-interface answering any possible question of a domain
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