Apr9 01:34:23 test spamd: prefork: child states: II
Apr9 01:34:26 test maildrop: Unable to open mailbox.
Apr9 01:34:27 test postfix/pipe: E995213F7D10: to=<xxxxxx@test.com>, relay=maildrop, delay=8.1, delays=0.23/0.01/0/7.9, dsn=4.3.0, status=deferred (temporary failure. Command output: /usr/local/bin/maildrop: Unable to open mailbox. )