>> Is there a way to make Postfix/postscreen use a specific DNS server? > > Edit /etc/resolv.conf. > > No kidding - Postfix uses the SYSTEM LIBRARY for DNS lookups, and > the SYSTEM LIBRARY uses the resolv.conf file. Theree are no plans > to re-implement this part of the SYSTEM LIBRARY in Postfix.
If you really have to, use a wrapper: https://cwrap.org/resolv_wrapper.html https://manpages.debian.org/stretch/libresolv-wrapper/resolv_wrapper.1 Best regards, Gerald
