My computer was named "10.04.2-Grid-Engine" and "10" was the reported host name under /etc/hosts
Changed to "PrototypingGridEngine" under /etc/hosts and /etc/hostname. Postfix and Sun Grid Engine packages installed and configured successfully. ** Changed in: postfix (Ubuntu) Status: New => Invalid ** Changed in: postfix (Ubuntu) Assignee: (unassigned) => asilentninja (asilentninja) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to postfix in Ubuntu. https://bugs.launchpad.net/bugs/741748 Title: package postfix 2.7.0-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 75 -- 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