How to configure OpenDKIM on Linux with Postfix and setup bind zonefile
This guide assumes you have a working Postfix server and want it to sign with DKIM.
There are a few things we have to understand to make all of this work though, which require you to be familiar with DNS as well.
1.) Install OpenDKIM
apt install opendkim
systemctl enable opendkim
2.) Edit /etc/opendkim.conf
Syslog yes
SyslogSuccess yes
Mode&nbs........
REFUSED unexpected RCODE resolving bind/named error
Are you getting this error when trying to connect to a site/domain/service and then you checked your router/nameserver's logs to see what's wrong?
You may see something like this:
named[3025898]: REFUSED unexpected RCODE resolving
This is not usually an error with named or bind, at least not on your end but NORMALLY this is an issue with the remote nameserver.
A lot of times this is a misconfigured remote nameserver. A classi........
bind / named how to make a wildcard record and retain defined A records
It is almost as intuitive as we would like it is just a *.
So literally:
*INA 127.0.0.1
Complete working bind zonefile below:
$TTL 86400
@ IN SOA ns.rtt.ca. ns2.rtt.ca. (
1247605715; Serial
&n........
named/bind cannot find zone file, load zone files without specifying full directory path/loading master file genuine.com.zone: file not found
genuine.com/IN: loading master file genuine.com.zone: file not found
_default/genuine.com/IN: file not found
I always found it silly that no one really talks about this and apparently many like me and even control panels like Plesk were still using hard paths. I always thought "why can't I just specify the name of the zone file and have bind find it". Surely the default search path must be /var/named or somewhere else but there is no such thing.........