bastille crashes on psad package

[claudio]

Binary package hint: bastille

Starting Port Scan Attack Detector: psad [*] Could not find mail, edit /etc/psad/psad.conf at /usr/sbin/psad line 9566.
 * Unable to start the daemon.
invoke-rc.d: initscript psad, action "start" failed.
dpkg: error processing psad (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 psad
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
Architecture: i386
Date: Thu Nov 5 11:02:40 2009
DistroRelease: Ubuntu 9.10
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: psad 2.1.5-1
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: psad
Title: package psad 2.1.5-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
Uname: Linux 2.6.31-14-generic i686