On 22 Jan 2016, at 12:36, Andre Helwig <a.helwig at heinlein-support.de> wrote: > > imap(p24062p6): Panic: file imap-client.c: line 852 > (client_check_command_hangs): assertion failed: (!have_wait_unfinished > || unfinished_count > 0) I think this was fixed by https://github.com/dovecot/core/commit/f136b0050b3125b466af73984177250b7ed1a3be