dovecot: pop3(帳號): Error: chown(/home/帳號/mail/.imap/INBOX, -1, 12(mail)) failed: Operation not permitted (egid=510(帳號), group based on /var/mail/帳號)
dovecot: pop3(帳號): Error: mkdir(/home/帳號/mail/.imap/INBOX) failed: Operation not permitted
dovecot: pop3(帳號): Error: Couldn't open INBOX: Internal error occurred. Refer to server log for more information.
dovecot: pop3(帳號): Couldn't open INBOX top=0/0, retr=0/0, del=0/0, size=0