After today's updates dovecot imap seems to be broken. This was working - Oct 1 19:07:58 rpppc1 imap-login: Login: nbecker [10.4.0.3] Oct 1 19:07:58 rpppc1 imap(nbecker): Trying to allocate 0 bytes Oct 1 19:07:58 rpppc1 dovecot: child 11061 (imap) killed with signal 6