<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">On 2 May 2018, at 12.52, John van der Kamp <<a href="mailto:jkamp@amazon.nl" class="">jkamp@amazon.nl</a>> wrote:<br class=""><div><blockquote type="cite" class=""><br class="Apple-interchange-newline"><div class=""><div class="">There seems to be a problem with new user directories and the imapc backend. On a test setup I get the following error in the log:<br class=""><br class="">May 02 10:09:58 imap(<a href="mailto:user1@domain.com" class="">user1@domain.com</a>): Error: Couldn't create mailbox list lock /<a href="mailto:tmp/tmp0Y5TMn/dovecot1/users/user1@domain.com" class="">tmp/tmp0Y5TMn/dovecot1/users/user1@domain.com</a>/imapc/mailboxes.lock: file_create_locked(/<a href="mailto:tmp/tmp0Y5TMn/dovecot1/users/user1@domain.com" class="">tmp/tmp0Y5TMn/dovecot1/users/user1@domain.com</a>/imapc/mailboxes.lock) failed: safe_mkstemp(/<a href="mailto:tmp/tmp0Y5TMn/dovecot1/users/user1@domain.com" class="">tmp/tmp0Y5TMn/dovecot1/users/user1@domain.com</a>/imapc/mailboxes.lock) failed: No such file or directory<br class=""><br class="">The 'imapc' part in the user directory is not there (yet), and so the mailboxes.lock file cannot be created. A [SERVERBUG] Internal error occurred is returned to the client.<br class="">This may have already been broken in an earlier release.<br class="">Older releases don't seem to have the mailbox lock at this point, so they don't return an error when the imapc directory is not there yet.<br class=""></div></div></blockquote><div><br class=""></div><div>Should be fixed by <a href="https://github.com/dovecot/core/commit/27366c1b4258a8b3becfb1c3e30b0d3aa8798daa" class="">https://github.com/dovecot/core/commit/27366c1b4258a8b3becfb1c3e30b0d3aa8798daa</a></div></div><br class=""></body></html>