pkg_add: package `cwrappers-20180325' already recorded as installed
ucspi-ssl-0.999.12.2nb1: copying /usr/pkg/share/examples/ucspi-ssl/dh1024.pem to /usr/pkg/etc/ucspi-ssl/dh1024.pem
libunistring-0.9.10: registering info file /usr/pkg/info/libunistring.info
libidn2-2.3.1: registering info file /usr/pkg/info/libidn2.info
===========================================================================

ERROR: /var/qmail exists and is non-empty.

Please remove or rename it, then try again.

===========================================================================
pkg_add: install script returned error status
pkg_add: 1 package addition failed