On Thu, 2007-09-20 at 17:49 +0200, René Pfeiffer wrote: > Sep 20 17:42:49 messages dovecot: POP3(XXXXXX): Couldn't open INBOX: Internal > error occurred. Refer to server log for more information. [2007-09-20 > 17:42:49]
None of the lines you pasted was an error message. I guess it's possible that rc15 still had some bugs that didn't cause it to write errors in all cases, but just to be sure, see http://wiki.dovecot.org/Logging to find out if error messages really go to the log you were looking at.
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