LISTS OF EXIM OPTIONS
---------------------
-This file contains complete lists of four kinds of Exim option:
+This file contains an almost complete lists of four kinds of Exim option:
1. Those that can appear in the run time configuration file;
2. Those that can be used on the command line;
4. Those that can appear in the build time configuration for the Exim monitor
(Local/eximon.conf).
-This file was last updated for Exim release 4.72.
+This file was last updated for Exim release 4.95.
1. RUN TIME OPTIONS
acl_smtp_auth string* unset main 4.00
acl_smtp_connect string* unset main 4.11
acl_smtp_data string* unset main 4.00
-acl_smtp_data_prdr string* unset main 4.82 with expreimental_prdr
+acl_smtp_data_prdr string* unset main 4.82 with experimental_prdr, 4.83 unless disable_prdr
acl_smtp_dkim string* unset main 4.70 unless disable_dkim
acl_smtp_etrn string* unset main 4.00
acl_smtp_expn string* unset main 4.00
allow_filter boolean false redirect 4.00
allow_freeze boolean false redirect 4.00
allow_fifo boolean false appendfile 3.13
+allow_insecure_tainted_data boolean true main 4.95 support will drop ~4.97ٍ
allow_localhost boolean false smtp 1.73
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
bcc string* unset autoreply
bi_command string unset main
body_only boolean false transports 2.05
-bounce_message_file string unset main 4.00
+bounce_message_file string* unset main 4.00 expanded from 4.94
bounce_message_text string unset main 4.00
bounce_return_body boolean true main 4.23
bounce_return_message boolean true main 4.00
check_string string "From " appendfile 3.03
unset pipe 3.03
check_srv string* unset dnslookup 4.31
+client_authz string* unset gsasl 4.94
client_condition string* unset authenticators 4.68
client_ignore_invalid_base64 boolean false plaintext 4.61
client_name string* + cram_md5 3.10
+client_password string* unset gsasl 4.94
client_secret string* unset cram_md5 3.10
client_send string* unset plaintext 3.10
+ unset external (auth) 4.93
+client_username string* unset gsasl 4.94
command string* unset lmtp 3.20
unset pipe
unset queryprogram 4.00
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
daemon_smtp_ports string unset main 1.75 pluralised in 4.21
daemon_startup_retries int 9 main 4.52
daemon_startup_sleep time 30s main 4.52
+dane_require_tls_ciphers string* unset smtp 4.91
data string unset redirect 4.00
data_timeout time 5m smtp
debug_print string* unset authenticators 4.00
unset routers 4.00
unset transports 2.00
+debug_store boolean false main 4.90
delay_after_cutoff boolean true smtp
delay_warning time list 24h main
delay_warning_condition string* + main 1.73
dkim_selector string* unset smtp 4.70
dkim_sign_headers string* (RFC4871) smtp 4.70
dkim_strict string* unset smtp 4.70
+dkim_timestamps integer* unset smtp 4.92
+dkim_verify_hashes string sha256:sha512:sha1 main 4.93
+dkim_verify_keytypes string ed25519:rsa main 4.93
+dkim_verify_min_keysizes string list "rsa=1024 ed25519=250" main 4.94
+dkim_verify_minimal boolean false main 4.93
dkim_verify_signers string* $dkim_signers main 4.70
directory string* unset appendfile
directory_file string* + appendfile
disable_ipv6 boolean false main 4.61
disable_logging boolean false routers 4.11
false transports 4.11
-dmarc_forensic_sender string unset main 4.82 if experimental_dmarc
-dmarc_history_file string unset main 4.82 if experimental_dmarc
-dmarc_tld_file string unset main 4.82 if experimental_dmarc
+dmarc_forensic_sender string unset main 4.82 if experimental_dmarc, 4.93 mainline
+dmarc_history_file string unset main 4.82 if experimental_dmarc, 4.93 mainline
+dmarc_tld_file string unset main 4.82 if experimental_dmarc, 4.93 mainline
dns_again_means_nonexist domain list unset main 1.89
dns_check_names_pattern string + main 2.11
+dns_cname_loops integer 0 main 4.92 Set to 9 for older behaviour
dns_csa_search_limit integer 5 main 4.60
dns_csa_use_reverse boolean true main 4.60
dns_dnssec_ok integer -1 main 4.82
+dns_dane_ok integer -1 main 4.83
dns_ipv4_lookup boolean false main 3.20
dns_qualify_single boolean true smtp
dns_retrans time 0s main 1.60
exim_group string ++ main
exim_path string ++ main
exim_user string ++ main
+exim_version string ++ main 4.93
expn boolean true routers
extra_local_interfaces string unset main 4.21
extract_addresses_remove_arguments boolean true main 1.92
home_directory string* unset transports 4.00 replaces individual options
host_all_ignored string "defer" manualroute 4.67
host_find_failed string "freeze" manualroute 4.00
+host_name_extract string
+ "${if and {{match{.outlook.com\\$}{$host}} {match{$item}{\\N^250-([\\w.]+)\\s\\N}}} {$1}}"
+ smtp 4.96
host_lookup host list unset main 3.00
host_lookup_order string list "bydns:byaddr" main 4.30
host_reject_connection host list unset main 4.00
hosts_max_try integer 5 smtp 3.20
hosts_max_try_hardlimit integer 50 smtp 4.50
hosts_nopass_tls host list unset smtp 4.00
+hosts_noproxy_tls host list "*" smtp 4.90
hosts_override boolean false smtp 2.11
+hosts_pipe_connect host_list unset smtp 4.93 if experimental_pipe_connect
hosts_randomize boolean false manualroute 4.00
false smtp 3.14
hosts_require_auth host list unset smtp 4.00
+hosts_require_alpn host list unset main 4.95
+ smtp 4.95
+hosts_require_dane host list unset smtp 4.91 (4.85 experimental)
+hosts_require_helo host list "*" main 4.95
hosts_require_ocsp host list unset smtp 4.82 if experimental_ocsp
hosts_require_tls host list unset smtp 3.20
hosts_treat_as_local domain list unset main 1.95
hosts_try_auth host list unset smtp 4.00
+hosts_try_dane host list unset smtp 4.91 (4.85 experimental)
+hosts_try_fastopen host list unset smtp 4.88
hosts_try_prdr host list unset smtp 4.82 if experimental_prdr
ibase_servers string unset main 4.23
ignore_bounce_errors_after time 0s main 4.00
message_body_visible integer 500 main
message_id_header_domain string* unset main 4.11
message_id_header_text string* unset main
+message_linelength_limit integer 998 smtp 4.94
message_logs boolean true main 4.10
message_prefix string* + appendfile 4.00 replaces prefix
string* unset pipe 4.00 replaces prefix
mx_fail_domains domain list unset dnslookup 4.43
mysql_servers string list unset main 3.03
never_users string list unset main
+notifier_socket string "$spool_directory/exim_daemon_notify"
+ main 4.94
notify_comsat boolean false appendfile
once string* unset autoreply
once_file_size integer 0 autoreply 3.20
pipe_as_creator boolean false pipe
pipe_transport string* unset redirect 4.00
pipelining_advertise_hosts host list "*" main 4.14
+pipelining__connect_advertise_hosts host list "*" main 4.92 if experimental_pipe_connect
port integer 0 iplookup 4.00
string "smtp" smtp
preserve_message_logs boolean false main
qualify_single boolean true dnslookup 4.00
query string* + iplookup 4.00
queue_domains domain list unset main 4.00
+queue_fast_ramp boolean false main 4.95
queue_list_requires_admin boolean true main 1.95
queue_only boolean false main
queue_only_file string unset main 2.05
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
server_mail_auth_condition string* unset authenticators 3.22
server_mech string public_name cyrus_sasl,gsasl 4.43 (cyrus-only) 4.80 (others)
server_password string unset gsasl 4.80
+server_param1 string* unset tls (auth) 4.86
+server_param2 string* unset tls (auth) 4.86
+server_param3 string* unset tls (auth) 4.86
+server_param2 string* unset tls (auth) 4.86 (tls-only) 4.93 (external)
+server_param3 string* unset tls (auth) 4.86 (tls-only) 4.93 (external)
server_prompts string* unset plaintext 3.10
server_realm string unset cyrus_sasl,gsasl 4.43 (cyrus-only) 4.80 (others)
server_scram_iter string* unset gsasl 4.80
server_secret string* unset cram_md5 3.10
server_service string "smtp" cyrus_sasl,gsasl,heimdal_gssapi (cyrus-only) 4.80 (others)
server_set_id string* unset authenticators 3.10
+set string* unset routers 4.93
shadow_condition string* unset transports
shadow_transport string unset transports
size_addition integer 1024 smtp 1.91
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
+sqlite_dbfile string* unset main 4.94 with LOOKUP_SQLITE
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
timeout_frozen_after time 0s main 3.20
timezone string + main 3.15
tls_advertise_hosts host list * main 3.20
+tls_alpn string* unset main 4.95
+ smtp 4.95
tls_certificate string* unset main 3.20
unset smtp 3.20
tls_dh_max_bits integer 2236 main 4.80
tls_remember_emstp boolean false main 4.21
tls_require_ciphers string* unset smtp 4.00 replaces tls_verify_ciphers
string* unset main 4.33
+tls_resumption_hosts host list* unset main 4.95
+ host list* unset smtp 4.95
tls_sni string* unset main 4.80
tls_tempfail_tryclear boolean true smtp 4.05
tls_try_verify_hosts host list unset main 4.00
use_shell boolean false pipe 1.70
user string + routers 4.00
unset transports 4.00 replaces individual options
+utf8_downconvert integer unset smtp 4.92 if SUPPORT_I18N
uucp_from_pattern string + main 1.75
uucp_from_sender string* "$1" main 1.75
verify boolean true routers 4.00
verify_only boolean false routers 4.00
verify_recipient boolean true routers 4.00
verify_sender boolean true routers 4.00
-warn_message_file string unset main 4.00
+warn_message_file string* unset main 4.00 expanded from 4.94
widen_domains string list unset dnslookup 4.00
write_rejectlog boolean true main 4.31
-oMai # Supply authenticated id
-oMas # Supply authenticated sender
-oMi # Supply interface address
+-oMm # Supply message reference
-oMr # Supply protocol name
-oMs # Supply host name
-oMt # Supply ident string
EXIM_PERL optional
EXIM_USER mandatory user to use for Exim
EXIWHAT_EGREP_ARG system** to find Exim processes from ps
-EXIWHAT_KILL_SIGNAL system** -SIGUSER1 or numerical equivalent
+EXIWHAT_KILL_SIGNAL system** -SIGUSR1 or numerical equivalent
EXIWHAT_MULTIKILL_CMD system**
EXIWHAT_MULTIKILL_ARG system**
EXIWHAT_PS_ARG system** to list all processes
TIMEZONE_DEFAULT optional default for timezone option
TLS_INCLUDE optional path to include files for TLS
TLS_LIBS optional additional libraries for TLS
-TMPDIR system value for TMPDIR environment variable
+EXIM_TMPDIR system value for TMPDIR environment variable
TRANSPORT_APPENDFILE driver include appendfile transport
TRANSPORT_AUTOREPLY driver include autoreply transport
TRANSPORT_LMTP driver include lmtp transport