I exported a listing of all users from our existing qmail server.

I then put that information into the following format:
domain.ext, username, password, Common Name, quota,       <--- notice I did not add any groups to the end of that line

I downloaded the python script for converting my csv file to an ldif file.

I used the script and then took the users.csv.ldif file that it created and imported that ldif file into the system using phpldapadmin.

The users all show under phpLDAPadmin.

The users also show under the iredadmin interface as accounts in my domain.

However, the problems are the following:

1 - There are no maildirs created for these users.

2 - None of my imported users can log into roundcube. I get the following error from roundcube:

Jun 30 16:46:51 mail roundcube: IMAP Error: Login failed for user@domain.org from 24.88.123.123. AUTHENTICATE PLAIN: Authentication failed. in /usr/share/apache2/roundcubemail-0.5.3/program/include/rcube_imap.php on line 192 (POST /webmail/?_task=login&_action=login)

I am able to create a new user within iredadmin and I can then log into roundcube as that user.

However, even at that point, I cannot send any mail using roundcube. I get the following smtp error from roundcube:

SMTP Error (450): Failed to add recipient "user@gmail.com" (4.1.2: Recipient address rejected: Domain not found)

and I see the following error in /var/log/mail.info:

Jun 30 18:07:01 mail postfix/smtpd[6046]: NOQUEUE: reject: RCPT from mail.domain.org[127.0.0.1]: 450 4.1.2 <user@gmail.com>: Recipient address rejected: Domain not found; from=<jdoe@domain.org> to=<user@gmail.com> proto=ESMTP helo=<mail.domain.org>

What am I missing??

Thanks