[Dovecot] problem with dovecot lda

I'm having trouble getting dovecot lda to work.

I'm using dovecot b3, and a dovecot lda cvs checkout, according to http://wiki.dovecot.org/LDA

I tr to use the .forward method: |"/usr/local/libexec/dovecot/deliver"

I also tried this line: "|/usr/local/libexec/dovecot/deliver -c /etc/dovecot.conf -d joakim"

I get this error in maillog: stat=unknown mailer error 80

I tried running deliver from commandline, and it manages to add lines to my inbox then.

-- Joakim Verona www.verona.se