To avoid using a public name server for DNSBL lookups, I would like the
DNSBL checks to be done using only the name server running on localhost.
But I would like the rest of the system to have for instance Google as a
secondary name server.
I do not use postscreen.
If I place a resolv.conf containing only localhost in the postfix chroot
jail, while /etc/resolv.conf contains multiple name servers, will that
work? I.e., is resolv.conf read by postfix (smtpd, I assume) only after
it is chrooted?
(I assume so, but would like confirmation.)
If that is the case, all I need is to somehow make Debian not copy
/etc/resolv.conf into the chroot jail.
Thanks,
Jesper
--
Jesper Dybdal
https://www.dybdal.dk
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