package courier-pop-ssl 0.68.2-1ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Tumaini]

Ran do-release-upgrade over ssh on remote server. Upgrade crashed after quite a while.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: courier-pop-ssl 0.68.2-1ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-53.81-generic-pae 3.2.50
Uname: Linux 3.2.0-53-generic-pae i686
ApportVersion: 2.14.1-0ubuntu3.16
Architecture: i386
Date: Tue Oct 27 22:34:12 2015
DuplicateSignature: package:courier-pop-ssl:0.68.2-1ubuntu3:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2013-03-20 (951 days ago)
InstallationMedia:

RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.4
 apt 1.0.1ubuntu2.10
SourcePackage: courier
Title: package courier-pop-ssl 0.68.2-1ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to trusty on 2015-10-27 (0 days ago)
modified.conffile..etc.courier.pop3d.cnf: [deleted]
modified.conffile..etc.courier.pop3d.ssl: [modified]
mtime.conffile..etc.courier.pop3d.ssl: 2013-07-03T17:21:52

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.