Setting up Portable LibreSSL on GNU/Linux

Eventually build LibreSSL and then NGINX, Postfix and Dovecot against it.

which openssl
which nginx
which postfix
which dovecot

openssl version
nginx -V

LibreSSL only delivers tls12 as an API for now (although tls13 is in the source since v3.1.1 & v3.2.2).

Note the cipher suites names vary depending on the naming convention:


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