Using courier-maildrop as delivery agent for a virtual domain in postfix

Hi,

I am trying to set up postfix and courier (imap, pop3 and maildrop) for 
a virtual domain on a Debian Linux (woody + backport of postfix) box. 
Postfix is accepting the email and passing it onto maildrop just fine. 
The problem seems to be maildrop not recognizing the user as a valid 
user for delivery.  Here is my setup:

1. I have the following in /etc/courier/userdb/test.com:

test@xxxxxxxx 
uid=89|gid=89|home=/home/vpopmail/domains/test.com/test|shell=NOQUOTA|systempw=$1$S5MNc$UNVbLy.Ws6IohC/XTsl4x1|gecos=test

[obviously on one line]

2. I run makeuserdb.

3. My /etc/courier/authdaemonrc has the line:

authmodulelist="authuserdb, authpam"

4. I restart courier-authdaemon like so:

/etc/init.d/courier-authdaemon restart

5. Now when run the following it fails:

newmail:~# maildrop -d test@xxxxxxxx
maildrop: Invalid user specified.

What is the problem?  My software version numbers are:

postfix 2.0.16
courier 0.37.3

Help appreciated.

Thaths
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