Confirmed by duplicate bugs, there is apparently something that can make the preinst fail on new installs (at least for postfix_2.6.5-3_i386.deb in 9.10)
** Changed in: postfix (Ubuntu) Status: Incomplete => Confirmed -- package postfix (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/542307 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to postfix in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs