Op 8/6/2015 om 9:35 AM schreef Andrew Beverley: > On Thu, 2015-08-06 at 09:12 +0200, Stephan Bosch wrote: >> Could you provide a full backtrace using the gdb command `bt full'? > Thanks for the reply. Is this everything you need? You have no debug symbols installed. Could you install dovecot-dbg package and try again? Regards, Stephan