root@papinicomputer:/home/sasch# apt-get -f install
Reading package lists... Done
Building dependency tree... Done
Correcting dependencies...Done
The following extra packages will be installed:
  courier-authdaemon courier-authlib
The following NEW packages will be installed
  courier-authlib
The following packages will be upgraded:
  courier-authdaemon
1 upgraded, 1 newly installed, 0 to remove and 1 not upgraded.
5 not fully installed or removed.
Need to get 0B/83.9kB of archives.
After unpacking 164kB of additional disk space will be used.
Do you want to continue [Y/n]? y
dpkg: error processing courier-authdaemon (--remove):
 Package is in a very bad inconsistent state - you should
 reinstall it before attempting a removal.
terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string::_S_construct NULL not valid
Aborted
root@papinicomputer:/home/sasch# Errors were encountered while processing:
 courier-authdaemon

root@papinicomputer:/home/sasch#