hello everybody

I'm trying to run a mail server using Postfix + Cyrus-Imapd. I've already configured postfix and it worked for the users of the red hat but now i want to make accounts for non *ix users so i'm using Cyrus. Ahh... I'm using Web Cyradm too. Well, the problem is that when i send a message using the mail command for example to neptuno@my.domain.com i get the folllowing in the maillog:

Sep 9 18:21:58 soporte1 postfix/pickup[2477]: 5E14427DBAA: uid=0 from=<root>
Sep 9 18:21:58 soporte1 postfix/cleanup[3397]: 5E14427DBAA: message-id=<20040909232158.5E14427DBAA@soporte1.my.domain. com>
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 5E14427DBAA: from=<root@my.domain.com>, size=305, nrcpt=1 (queue active)
Sep 9 18:21:58 soporte1 lmtpunix[3406]: verify_user(user.neptuno^my^domain^com) failed: Mailbox does not exist
Sep 9 18:21:58 soporte1 postfix/lmtp[3405]: 5E14427DBAA: to=<neptuno.my.domain.com@my.domain.com>, orig_to=<neptuno@my.domain.com>, relay=public/lmtp[public/lmtp], delay=0, status=bounced (host public/lmtp[public/lmtp] said: 550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown (in reply to RCPT TO command))
Sep 9 18:21:58 soporte1 postfix/cleanup[3397]: 6398E27DBAB: message-id=<20040909232158.6398E27DBAB@soporte1.my.domain. com>
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 6398E27DBAB: from=<>, size=2511, nrcpt=1 (queue active)
Sep 9 18:21:58 soporte1 lmtpunix[3283]: verify_user(user.administrador) failed: Mailbox does not exist
Sep 9 18:21:58 soporte1 postfix/cleanup[3397]: 69A9627DBAC: message-id=<20040909232158.69A9627DBAC@soporte1.my.domain. com>
Sep 9 18:21:58 soporte1 postfix/lmtp[3404]: 6398E27DBAB: to=<administrador@my.domain.com>, orig_to=<root@my.domain.com>, relay=public/lmtp[public/lmtp], delay=0, status=bounced (host public/lmtp[public/lmtp] said: 550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown (in reply to RCPT TO command))
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 69A9627DBAC: from=<double-bounce@soporte1.my.domain.com>, size=2133, nrcpt=1 (queue active)
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 5E14427DBAA: removed
Sep 9 18:21:58 soporte1 lmtpunix[3406]: verify_user(user.administrador) failed: Mailbox does not exist
Sep 9 18:21:58 soporte1 postfix/lmtp[3405]: 69A9627DBAC: to=<administrador@my.domain.com>, orig_to=<postmaster>, relay=public/lmtp[public/lmtp], delay=0, status=bounced (host public/lmtp[public/lmtp] said: 550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown (in reply to RCPT TO command))
Sep 9 18:21:58 soporte1 postfix/bounce[3409]: warning: 69A9627DBAC: undeliverable postmaster notification discarded
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 69A9627DBAC: removed
Sep 9 18:21:58 soporte1 postfix/cleanup[3417]: 768FD27DBAA: message-id=<20040909232158.768FD27DBAA@soporte1.my.domain. com>
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 768FD27DBAA: from=<double-bounce@soporte1.my.domain.com>, size=4326, nrcpt=1 (queue active)
Sep 9 18:21:58 soporte1 lmtpunix[3283]: verify_user(user.administrador) failed: Mailbox does not exist
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 6398E27DBAB: removed
Sep 9 18:21:58 soporte1 postfix/lmtp[3404]: 768FD27DBAA: to=<administrador@my.domain.com>, orig_to=<postmaster>, relay=public/lmtp[public/lmtp], delay=0, status=bounced (host public/lmtp[public/lmtp] said: 550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown (in reply to RCPT TO command))
Sep 9 18:21:58 soporte1 postfix/bounce[3407]: warning: 768FD27DBAA: undeliverable postmaster notification discarded
Sep 9 18:21:58 soporte1 postfix/qmgr[2478]: 768FD27DBAA: removed

what is happening ??? can anybody help me?

The account neptuno@my.domain.com is created i can see it using the cyardm ls command and using web-cyradm too. Another thing: the mailboxes are being created in /var/lib/imap instead of var/spool/imap. Does it have something to do?
Because in the imapd.conf file i set the following:

configdirectory: /var/lib/imap
partition-default: /var/spool/imap
admins: cyrus
allowanonymouslogin: no
sieveuserhomedir: no
sievedir: /var/lib/imap/sieve
sendmail: /usr/sbin/sendmail
hashimapspool: true
sasl_pwcheck_method: saslauthd
sasl_mech_list: PLAIN
unixhierarchysep: yes
autocreatequota: 20000
lmtpsocket: /var/spool/postfix/public/lmtp
tls_cert_file: /usr/share/ssl/certs/cyrus-imapd.pem
tls_key_file: /usr/share/ssl/certs/cyrus-imapd.pem


If you need some more information please ask. i'll be checking this forum every day... every hour

Somebody help me please i have to have this running the sooner or else they'll fire me ... just as it sound.

Thx in advance