won't let me install new things.

[Jack]

themilkman@YourMaker:~$ lsb_release -a; uname -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.2 LTS
Release: 12.04
Codename: precise
Linux YourMaker 3.5.0-23-generic #35~precise1-Ubuntu SMP Fri Jan 25 17:15:33 UTC 2013 i686 i686 i386 GNU/Linux
themilkman@YourMaker:~$ apt-cache policy qmail
qmail:
  Installed: 1.06-4
  Candidate: 1.06-4
  Version table:
 *** 1.06-4 0
        500 http://ca.archive.ubuntu.com/ubuntu/ precise/universe i386 Packages
        100 /var/lib/dpkg/status
themilkman@YourMaker:~$ sudo apt-get --purge remove qmail; sudo apt-get --purge autoremove; sudo apt-get install qmail
[sudo] password for themilkman:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
  firefox-globalmenu
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
  qmail* qmail-run*
0 upgraded, 0 newly installed, 2 to remove and 2 not upgraded.
2 not fully installed or removed.
After this operation, 2,265 kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 145836 files and directories currently installed.)
Removing qmail-run ...
update-service: warning: /etc/service/qmail-send does not exist.

update-service: warning: /etc/service/qmail-smtpd does not exist.

update-service: warning: /etc/service/qmail-verify does not exist.

Purging configuration files for qmail-run ...
Removing qmail ...
rmdir: failed to remove `/var/lib/qmail': Directory not empty
Purging configuration files for qmail ...
rmdir: failed to remove `/var/lib/qmail': Directory not empty
Processing triggers for man-db ...
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  firefox-globalmenu*
0 upgraded, 0 newly installed, 1 to remove and 2 not upgraded.
After this operation, 170 kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 145473 files and directories currently installed.)
Removing firefox-globalmenu ...
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  qmail-run
Suggested packages:
  dot-forward qmail-tools
The following NEW packages will be installed:
  qmail qmail-run
0 upgraded, 2 newly installed, 0 to remove and 2 not upgraded.
Need to get 0 B/430 kB of archives.
After this operation, 2,265 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Selecting previously unselected package qmail.
(Reading database ... 145471 files and directories currently installed.)
Unpacking qmail (from .../archives/qmail_1.06-4_i386.deb) ...
Selecting previously unselected package qmail-run.
Unpacking qmail-run (from .../qmail-run_2.0.2_all.deb) ...
Processing triggers for man-db ...
Setting up qmail (1.06-4) ...

The hostname -f command returned: $1

Your system needs to have a fully qualified domain name (fqdn) in
order to install the var-qmail packages.

Installation aborted.

dpkg: error processing qmail (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of qmail-run:
 qmail-run depends on qmail (>= 1.06-2.1); however:
  Package qmail is not configured yet.
dpkg: error processing qmail-run (--configure):
 dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
                                                              No apport report written because MaxReports is reached already
                                            Errors were encountered while processing:
 qmail
 qmail-run
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: qmail 1.06-4
ProcVersionSignature: Ubuntu 3.5.0-23.35~precise1-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic i686
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: i386
Date: Tue Aug 13 23:19:06 2013
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_CA:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: netqmail
UpgradeStatus: No upgrade log present (probably fresh install)