i was successfully upgrade from 5.0.2 to 5.0.3 on centos 4.6. thanks for all you guys make this amazing services

all email delivery normal as usually

but actually, i found same warning on zimbra.log :

Mar 22 19:24:52 domain postfix/postdrop[3624]: warning: mail_queue_enter: create file maildrop/976917.3624: No such file or directory
i has been tried to fix permission but didn't work.

how to fix this tiny problem?