Lmtp logging, does not log

[Marc Roos]

Looks like dovecot is not sending stuff to syslog anymore I am getting 
some message in /tmp/dovecot.log. However the lmtp log files are not 
even created.

bash-5.0# doveconf | grep log_
auth_policy_log_only = no
debug_log_path =
deliver_log_format = msgid=%m: %$
doveadm_http_rawlog_dir =
imapc_rawlog_dir =
info_log_path =
lmtp_proxy_rawlog_dir = /tmp/lmtp-proxy.log
lmtp_rawlog_dir = /tmp/lmtp.log
log_core_filter =
log_debug =
log_path = /tmp/dovecot.log
log_timestamp = "%b %d %H:%M:%S "
login_log_format = %$: %s
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c 
session=<%{session}>
mail_index_log_rotate_max_size = 1 M
mail_index_log_rotate_min_age = 5 mins
mail_index_log_rotate_min_size = 32 k
mail_index_rewrite_max_log_bytes = 128 k
mail_index_rewrite_min_log_bytes = 8 k
mail_log_prefix = "%s(%u)<%{pid}><%{session}>: "
pop3c_rawlog_dir =
rawlog_dir =
submission_relay_rawlog_dir =
syslog_facility = mail