Am 09.05.2018 um 16:28 schrieb Matthew Broadhead:
i guess my dns is set to use my isp's dns server. do i need
to set up dns relay on my machine so it comes from my ip?
there is no way we send more than 500k emails from our domain
so i should qualify for the free lookup?
On 09/05/18 20:43, David Jones wrote:
Yes. Setup BIND, unbound, or pdns_recursor on your SA server
that is not forwarding to another DNS server then set your
/etc/resolv.conf or SA dns_server to 127.0.0.1. This will make
your DNS queries isolated from your IP to stay under their
daily limit.
Keep in mind that if your SA box is behind NAT that is not
dedicated to your server then other DNS queries could get
combined with your shared public IP. This is not likely since
others are not going to query RBL/URIBL servers but it's
possible. If your SA server is directly on the Internet as an
edge mail gateway then this won't be a problem.
On 10.05.18 15:02, Reio Remma wrote:
On a slightly related note. We're running a PFSense firewall with DNS
Forwarder (dnsmasq) in front of our mail server. From what I've
gleaned from the net is that it caches as well. Should I still
install a local (BIND) on the mail server?
The requirement is not for caching server - it's for recursing server
dnsmasq is forwarding server, get rid of if when possible. It's even
documented:
https://wiki.apache.org/spamassassin/CachingNameserver
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