package hylafax-server (not installed) failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1

[Manuel Seoane]

When I try to install Hylafax it breaks

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: hylafax-server (not installed)
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Fri Jun 17 12:07:03 2011
ErrorMessage: el subproceso instalado el script post-installation devolvió el código de salida de error 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
SourcePackage: hylafax
Title: package hylafax-server (not installed) failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Giuseppe Sacco (eppesuig)]

the problem you reported has its roots on the missing sendmail executable. The error message is:

FATAL ERROR: /usr/lib/sendmail does not exist or is not an executable program!

Could you check if you have this executable? What MTA have you installed?

thanks,
Giuseppe