I've spun up another clone and have got the info you requested: The output from dpkg-query -W postfix was postfix 2.9.3-2~12.04.4
I've also attached the output from sed -n '/postfix/,/^$/p' /var/cache/debconf/config.dat ** Attachment added: "output from sed -n '/postfix/,/^$/p' /var/cache/debconf/config.dat" https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1169044/+attachment/3648043/+files/postfix-config.txt ** Changed in: postfix (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1169044 Title: can't install/upgrade postfix non interactively through apt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1169044/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs