Thanks for reporting this bug in Ubuntu. You need to configure an appropriate hostname for you system - please follow the advice here:
https://answers.launchpad.net/ubuntu/+source/postfix/+question/173875 Marking 'Invalid' as this is not a bug. ** Changed in: postfix (Ubuntu) Status: New => Invalid -- 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/1002713 Title: package postfix 2.8.5-2~build0.11.04 failed to install/upgrade: subprocess installed post-installation script returned error exit status 75 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1002713/+subscriptions -- 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
