can't install

Binary package hint: dbmail

hi,
recently i upgrade tu ubuntu 9.04 and dbmail fails to upgrade, then i uninstall the package and try to install having this log :
** lines i tried to traslate (i have a limited bocabulary, sorry)
S'està configurant dbmail (2.2.11-1) ...** dbmail is being config**
[: 117: postmaster@-e: unexpected operator
Not replacing deleted config file /etc/dbmail/dbmail.conf
sed: can't read /etc/dbmail/dbmail.conf: No such file or directory
dpkg: s'ha produït un error en processar dbmail (--configure): ** there is an error in processing dbmail (--configure)**
 el subprocés post-installation script retornà el codi d'eixida d'error 2 ** the post-instalation subprocess script returns exit code 2**
S'han trobat errors en processar: ** there are errors to process:**
 dbmail
E: Sub-process /usr/bin/dpkg returned an error code (1)
europa@europa-desktop:~$ cat /etc/issue
Ubuntu 9.04 \n \l

Thanks for your attention.

Carles.

ProblemType: Package
Architecture: i386
DistroRelease: Ubuntu 9.04
ErrorMessage: el subprocés post-installation script retornà el codi d'eixida d'error 2
Package: dbmail 2.2.11-1
SourcePackage: dbmail
Title: package dbmail 2.2.11-1 failed to install/upgrade: el subprocés post-installation script retornà el codi d'eixida d'error 2
Uname: Linux 2.6.28-11-generic i686