allow_mx_to_ip boolean false main 3.14
allow_symlink boolean false appendfile
allow_utf8_domains boolean false main 4.14
+arc_sign string* unset smtp 4.91 with Experimental_ARC
auth_advertise_hosts host list "*" main 4.00
authenticated_sender string* unset smtp 4.14
authenticated_sender_force boolean false smtp 4.61
command_group string unset queryprogram 4.00
command_timeout time 5m smtp
command_user string unset queryprogram 4.00
+commandline_checks_require_admin boolean false main 4.90
condition string* unset routers 4.00
connect_timeout time 0s smtp 1.60
connection_max_messages integer 500 smtp 4.00 replaces batch_max
spamd_address string* + main 4.50 with content scan
split_spool_directory boolean false main 1.70
spool_directory string ++ main
+spool_wireformat boolean false main 4.90
sqlite_lock_timeout time 5s main 4.53
strict_acl_vars boolean false main 4.64
srv_fail_domains domain list unset dnslookup 4.43