package qmail-run 2.0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

[mingzhen]

Make sure to change rcpthosts if you add hosts to locals or virtualdomains!
Setting up qmail-run (2.0.2) ...
writing "ubuntu.dev.local" to control/defaulthost...
Creating ~alias/.qmail-root to have mail to root forwarded to
  the user alias...
Creating ~alias/.qmail-postmaster to have mail to postmaster forwarded to
  the user alias...
Creating symbolic link ~alias/.qmail-mailer-daemon -> .qmail-postmaster.
Creating symbolic link ~alias/.qmail-abuse -> .qmail-postmaster.
Reloaded /etc/qmail/tcp.smtp.
/var/lib/dpkg/info/qmail-run.postinst: line 53: newaliases: command not found
dpkg: error processing qmail-run (--configure):
 subprocess installed post-installation script returned error exit status 127
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: qmail-run 2.0.2
ProcVersionSignature: Ubuntu 3.8.0-39.58~precise1-generic 3.8.13.20
Uname: Linux 3.8.0-39-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.6
AptOrdering:
 qmail: Install
 qmail-run: Install
 qmail: Configure
 qmail-run: Configure
Architecture: amd64
Date: Tue May 27 10:27:36 2014
DuplicateSignature: package:qmail-run:2.0.2:subprocess installed post-installation script returned error exit status 127
ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: qmail-run
Title: package qmail-run 2.0.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)