false smtp 3.14
hosts_require_auth host list unset smtp 4.00
hosts_require_dane host list unset smtp 4.91 (4.85 experimental)
+hosts_require_helo host list "*" main 4.95
hosts_require_ocsp host list unset smtp 4.82 if experimental_ocsp
hosts_require_tls host list unset smtp 3.20
hosts_treat_as_local domain list unset main 1.95
message_body_visible integer 500 main
message_id_header_domain string* unset main 4.11
message_id_header_text string* unset main
+message_linelength_limit integer 998 smtp 4.94
message_logs boolean true main 4.10
message_prefix string* + appendfile 4.00 replaces prefix
string* unset pipe 4.00 replaces prefix
received_header_text string* + main
received_headers_max integer 30 main
recipient_unqualified_hosts host list unset main 4.00 replacing receiver_unqualified_hosts
-recipients_max integer 0 main 1.60
+recipients_max integer 50000 main 1.60 default changed in 4.95 (was 0)
recipients_max_reject boolean false main 1.70
redirect_router string unset routers 4.00
remote_max_parallel integer 1 main
smtp_accept_queue_per_connection integer 10 main 2.03
smtp_accept_reserve integer 0 main
smtp_active_hostname string* unset main 4.33
+smtp_backlog_monitor integer 0 main 4.95
smtp_banner string* + main
smtp_check_spool_space boolean true main 2.10
smtp_connect_backlog integer 5 main
smtp_return_error_details boolean false main 4.11
socket string* unset lmtp 4.11
spamd_address string* + main 4.50 with content scan
+spf_guess string "v=spf1 a/24 mx/24 ptr ?all"
+ main 4.91 with SUPPORT_SPF
+spf_smtp_comment_template string* "Please see http://www.open-spf.org/Why"
+ main 4.94 with SUPPORT_SPF
split_spool_directory boolean false main 1.70
spool_directory string ++ main
spool_wireformat boolean false main 4.90