Wietse: > Typically, this means chroot is enabled on in master.cf but you > don’t have the required files under /var/spool/postfix.
I checked my master.cf for this and as per default, none of my processes runs chrooted. > Please show how you tested name resolution from inside a jail. > Use the "script" command to make a recording. And do not test > this as root. Postfix runs as an unprivileged user. Please see the attached file "check-ns.log". Full disclosure: I am not very familiar with FreeBSD, but I want to learn, so please bear with me if I am a bit clumsy.
check-ns.log
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Sebastian