Postfix -> lmtp, not all mails delivered

[David Brandt]

Hi,
i have a Problem with cyrus & postfix.
Im sending 25 mails to a local user, Postfix says

Jan 26 22:24:08 dev postfix/lmtp[8531]: 83CACAF6D6: 
to=<00000002 at mail.wakka.de>, orig_to=<david at wakka.de>, 
relay=/var/imap/socket/lmtp[/var/imap/socket/lmtp], delay=1435, 
status=sent (250 2.1.5 Ok)

for each mail, but when i login with pop3 there are only 10 mails in 
there i have NO idea where the mail gets lost

+OK Maildrop locked and ready
stat
+OK 10 34556


any ideas?