package courier-pop 0.66.1-1ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[phoniclynx]

tried setting up an email server

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: courier-pop 0.66.1-1ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Sun Apr 29 18:54:57 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Mythbuntu 12.04 "Precise Pangolin" - Release amd64 (20120425)
SourcePackage: courier
Title: package courier-pop 0.66.1-1ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)