/usr/share/tripleo-image-elements/postfix/ is in python-tripleo-image-elements 0.7.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tripleo-image-elements/postfix/README.md
/usr/share/tripleo-image-elements/postfix/element-deps
/usr/share/tripleo-image-elements/postfix/install.d/
/usr/share/tripleo-image-elements/postfix/install.d/59-postfix
/usr/share/tripleo-image-elements/postfix/os-config-applier/
/usr/share/tripleo-image-elements/postfix/os-config-applier/etc/
/usr/share/tripleo-image-elements/postfix/os-config-applier/etc/mailname
/usr/share/tripleo-image-elements/postfix/os-config-applier/etc/postfix/
/usr/share/tripleo-image-elements/postfix/os-config-applier/etc/postfix/main.cf
/usr/share/tripleo-image-elements/postfix/os-refresh-config/
/usr/share/tripleo-image-elements/postfix/os-refresh-config/configure.d/
/usr/share/tripleo-image-elements/postfix/os-refresh-config/configure.d/59-postfix
/usr/share/tripleo-image-elements/postfix/os-refresh-config/post-configure.d/
/usr/share/tripleo-image-elements/postfix/os-refresh-config/post-configure.d/59-postfix
/usr/share/tripleo-image-elements/postfix/pre-install.d/
/usr/share/tripleo-image-elements/postfix/pre-install.d/59-postfix