On 2.9.2004, at 09:09, Zoong Pham wrote:

Sep 1 11:12:31 onion pop3(tekciz): File isn't in mbox format: /var/mail/user1 .. Does anyone know what's happening?

Dovecot probably has left an extra empty line at the beginning of the mbox file and after that it treats it as invalid. This happens sometimes with 0.99 code, 1.0-tests have much better mbox implementation.