keepalive boolean true smtp 2.05
ldap_default_servers string list unset main 3.02
ldap_version int 2 or 3 main 4.14
+limits_advertise_hosts host list * main 4.98
local_from_check boolean true main 3.14
local_from_prefix string unset main 3.14
local_from_suffix string unset main 3.14