Public bug reported: I performed a remove and then a repeat install.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: postfix 3.1.0-3 ProcVersionSignature: Ubuntu 4.10.0-27.30~16.04.2-generic 4.10.17 Uname: Linux 4.10.0-27-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.10 AptOrdering: postfix: Install ntop: Configure postfix: Configure NULL: ConfigurePending Architecture: amd64 Date: Wed Jul 26 10:51:07 2017 ErrorMessage: subprocess installed post-installation script returned error exit status 75 InstallationDate: Installed on 2017-07-25 (1 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.20 SourcePackage: postfix Title: package postfix 3.1.0-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 75 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: postfix (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1706480 Title: package postfix 3.1.0-3 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/1706480/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs