On 16.5.2019 9.04, Cerebus the Aardvark via dovecot wrote: > No change. Still get > > May 15 23:39:43 master: Error: service(imap-login): command startup > failed, throttling for 8 secs > May 15 23:39:43 imap-login: Fatal: master: service(imap-login): child > 68411 killed with signal 11 (core dumped) > > Can you try get gdb bt full on that core file? Aki