CentOS 7 QMT install (2 methods):

<method 1>
1) Install CentOS 7 minimal install (I install both options under
minimal install. One is development tools and I can't remember the other).
2) curl ftp://ftp.whitehorsetc.com/pub/qmail/CentOS7/qmt/scripts/qt_prep.sh
> qt_prep.sh
3) sh qt_prep.sh (Automatic reboot)
4) sh qt_install.sh
</method 1>

Or

<method 2>
1) Install CentOS 7 minimal install (I install both options under
minimal install. One is development tools and I can't remember the other).
2) curl ftp://ftp.whitehorsetc.com/pub/qmail/CentOS7/qmt/scripts/qt_prep.sh
> qt_prep.sh
3) sh qt_prep.sh (Automatic reboot)
4) curl
ftp://ftp.whitehorsetc.com/pub/qmail/CentOS7/qmt/scripts/qt_grp_install.sh
> qt_grp_install.sh
5) sh qt_grp_install.sh
</method 2>