Dec  4 06:01:37 ubuntu postfix/smtpd[10319]: connect from virtual[192.168.126.130]
Dec  4 06:02:08 ubuntu postfix/smtpd[10319]: 63DD4188934: client=virtual[192.168.126.130]
Dec  4 06:02:13 ubuntu postfix/cleanup[10324]: 63DD4188934: message-id=<20141204140208.63DD4188934@mailserver>
Dec  4 06:02:13 ubuntu postfix/qmgr[10007]: 63DD4188934: from=<root@mailserver>, size=307, nrcpt=1 (queue active)
Dec  4 06:02:13 ubuntu postfix/local[10326]: 63DD4188934: to=<werawoolf@mailserver>, relay=local, delay=18, delays=17/0.01/0/0.01, dsn=2.0.0, status=sent (delivered to maildir)
Dec  4 06:02:13 ubuntu postfix/qmgr[10007]: 63DD4188934: removed
Dec  4 06:02:16 ubuntu postfix/smtpd[10319]: disconnect from virtual[192.168.126.130]
Dec  4 06:02:46 ubuntu dovecot: pop3-login: Login: user=<werawoolf>, method=PLAIN, rip=192.168.126.130, lip=192.168.126.130, mpid=10418, secured, session=<Y+8uamQJPQDAqH6C>
Dec  4 06:02:46 ubuntu dovecot: pop3(werawoolf): Error: Opening INBOX failed: Mailbox isn't selectable
Dec  4 06:02:46 ubuntu dovecot: pop3(werawoolf): Error: Couldn't open INBOX: Internal error occurred. Refer to server log for more information. [2014-12-04 06:02:46]
Dec  4 06:02:46 ubuntu dovecot: pop3(werawoolf): Fatal: master: service(pop3): child 10418 killed with signal 11 (core dumped)