Default main.cf file of Postfix with Postfix Default Configuration Postfix Version 2.3.3-2Bellow is a configuration of default postfix configuration on RPM name postfix-2.3.3-2.el5.centos.mysql_pgsql.rpm################### Start of Postfix Default Configuration###########################2bounce_notice_recipient = postmaster
access_map_reject_code = 554
address_verify_default_transport = $default_transport
address_verify_local_transport = $local_transport
address_verify_map =
address_verify_negative_cache = yes
address_verify_negative_expire_time = 3d
address_verify_negative_refresh_time = 3h
address_verify_poll_count = 3
address_verify_poll_delay = 3s
address_verify_positive_expire_time = 31d
address_verify_positive_refresh_time = 7d
address_verify_relay_transport = $relay_transport
address_verify_relayhost = $relayhost
address_verify_sender = postmaster
address_verify_sender_dependent_relayhost_maps = $sender_dependent_relayhost_maps
address_verify_service_name = verify
address_verify_transport_maps = $transport_maps
address_verify_virtual_transport = $virtual_transport
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases, nis:mail.aliases
allow_mail_to_commands = alias, forward
allow_mail_to_files = alias, forward
allow_min_user = no
allow_percent_hack = yes
allow_untrusted_routing = no
alternate_config_directories =
always_bcc =
anvil_rate_time_unit = 60s
anvil_status_update_time = 600s
append_at_myorigin = yes
append_dot_mydomain = yes
application_event_drain_time = 100s
authorized_flush_users = static:anyone
authorized_mailq_users = static:anyone
authorized_submit_users = static:anyone
backwards_bounce_logfile_compatibility = yes
berkeley_db_create_buffer_size = 16777216
berkeley_db_read_buffer_size = 131072
best_mx_transport =
biff = yes
body_checks =
body_checks_size_limit = 51200
bounce_notice_recipient = postmaster
bounce_queue_lifetime = 5d
bounce_service_name = bounce
bounce_size_limit = 50000
bounce_template_file =
broken_sasl_auth_clients = no
canonical_classes = envelope_sender, envelope_recipient, header_sender, header_recipient
canonical_maps =
cleanup_service_name = cleanup
command_directory = /usr/sbin
command_execution_directory =
command_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
command_time_limit = 1000s
config_directory = /etc/postfix
connection_cache_protocol_timeout = 5s
connection_cache_service_name = scache
connection_cache_status_update_time = 600s
connection_cache_ttl_limit = 2s
content_filter =
daemon_directory = /usr/libexec/postfix
daemon_timeout = 18000s
debug_peer_level = 2
debug_peer_list =
default_database_type = hash
default_delivery_slot_cost = 5
default_delivery_slot_discount = 50
default_delivery_slot_loan = 3
default_destination_concurrency_limit = 20
default_destination_recipient_limit = 50
default_extra_recipient_limit = 1000
default_minimum_delivery_slots = 3
default_privs = nobody
default_process_limit = 100
default_rbl_reply = $rbl_code Service unavailable; $rbl_class [$rbl_what] blocked using $rbl_domain${rbl_reason?; $rbl_reason}
default_recipient_limit = 10000
default_transport = smtp
default_verp_delimiters = +=
defer_code = 450
defer_service_name = defer
defer_transports =
delay_logging_resolution_limit = 2
delay_notice_recipient = postmaster
delay_warning_time = 0h
deliver_lock_attempts = 20
deliver_lock_delay = 1s
disable_dns_lookups = no
disable_mime_input_processing = no
disable_mime_output_conversion = no
disable_verp_bounces = no
disable_vrfy_command = no
dont_remove = 0
double_bounce_sender = double-bounce
duplicate_filter_limit = 1000
empty_address_recipient = MAILER-DAEMON
enable_original_recipient = yes
error_notice_recipient = postmaster
error_service_name = error
execution_directory_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
expand_owner_alias = no
export_environment = TZ MAIL_CONFIG LANG
fallback_transport =
fallback_transport_maps =
fast_flush_domains = $relay_domains
fast_flush_purge_time = 7d
fast_flush_refresh_time = 12h
fault_injection_code = 0
flush_service_name = flush
fork_attempts = 5
fork_delay = 1s
forward_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
forward_path = $home/.forward${recipient_delimiter}${extension}, $home/.forward
frozen_delivered_to = yes
hash_queue_depth = 1
[root@fortune-01 ~]# postconf -d | more
2bounce_notice_recipient = postmaster
access_map_reject_code = 554
address_verify_default_transport = $default_transport
address_verify_local_transport = $local_transport
address_verify_map =
address_verify_negative_cache = yes
address_verify_negative_expire_time = 3d
address_verify_negative_refresh_time = 3h
address_verify_poll_count = 3
address_verify_poll_delay = 3s
address_verify_positive_expire_time = 31d
address_verify_positive_refresh_time = 7d
address_verify_relay_transport = $relay_transport
address_verify_relayhost = $relayhost
address_verify_sender = postmaster
address_verify_sender_dependent_relayhost_maps = $sender_dependent_relayhost_maps
address_verify_service_name = verify
address_verify_transport_maps = $transport_maps
address_verify_virtual_transport = $virtual_transport
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases, nis:mail.aliases
allow_mail_to_commands = alias, forward
allow_mail_to_files = alias, forward
allow_min_user = no
allow_percent_hack = yes
allow_untrusted_routing = no
alternate_config_directories =
always_bcc =
anvil_rate_time_unit = 60s
anvil_status_update_time = 600s
append_at_myorigin = yes
append_dot_mydomain = yes
application_event_drain_time = 100s
authorized_flush_users = static:anyone
authorized_mailq_users = static:anyone
authorized_submit_users = static:anyone
backwards_bounce_logfile_compatibility = yes
berkeley_db_create_buffer_size = 16777216
berkeley_db_read_buffer_size = 131072
best_mx_transport =
biff = yes
body_checks =
body_checks_size_limit = 51200
bounce_notice_recipient = postmaster
bounce_queue_lifetime = 5d
bounce_service_name = bounce
bounce_size_limit = 50000
bounce_template_file =
broken_sasl_auth_clients = no
canonical_classes = envelope_sender, envelope_recipient, header_sender, header_recipient
canonical_maps =
cleanup_service_name = cleanup
command_directory = /usr/sbin
command_execution_directory =
command_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
command_time_limit = 1000s
config_directory = /etc/postfix
connection_cache_protocol_timeout = 5s
connection_cache_service_name = scache
connection_cache_status_update_time = 600s
connection_cache_ttl_limit = 2s
content_filter =
daemon_directory = /usr/libexec/postfix
daemon_timeout = 18000s
debug_peer_level = 2
debug_peer_list =
default_database_type = hash
default_delivery_slot_cost = 5
default_delivery_slot_discount = 50
default_delivery_slot_loan = 3
default_destination_concurrency_limit = 20
default_destination_recipient_limit = 50
default_extra_recipient_limit = 1000
default_minimum_delivery_slots = 3
default_privs = nobody
default_process_limit = 100
default_rbl_reply = $rbl_code Service unavailable; $rbl_class [$rbl_what] blocked using $rbl_domain${rbl_reason?; $rbl_reason}
default_recipient_limit = 10000
default_transport = smtp
default_verp_delimiters = +=
defer_code = 450
defer_service_name = defer
defer_transports =
delay_logging_resolution_limit = 2
delay_notice_recipient = postmaster
delay_warning_time = 0h
deliver_lock_attempts = 20
deliver_lock_delay = 1s
disable_dns_lookups = no
disable_mime_input_processing = no
disable_mime_output_conversion = no
disable_verp_bounces = no
disable_vrfy_command = no
dont_remove = 0
double_bounce_sender = double-bounce
duplicate_filter_limit = 1000
empty_address_recipient = MAILER-DAEMON
enable_original_recipient = yes
error_notice_recipient = postmaster
error_service_name = error
execution_directory_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
expand_owner_alias = no
export_environment = TZ MAIL_CONFIG LANG
fallback_transport =
fallback_transport_maps =
fast_flush_domains = $relay_domains
fast_flush_purge_time = 7d
fast_flush_refresh_time = 12h
fault_injection_code = 0
flush_service_name = flush
fork_attempts = 5
fork_delay = 1s
forward_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
forward_path = $home/.forward${recipient_delimiter}${extension}, $home/.forward
frozen_delivered_to = yes
hash_queue_depth = 1
hash_queue_names = deferred, defer
header_address_token_limit = 10240
header_checks =
header_size_limit = 102400
helpful_warnings = yes
home_mailbox =
hopcount_limit = 50
html_directory = no
ignore_mx_lookup_error = no
import_environment = MAIL_CONFIG MAIL_DEBUG MAIL_LOGTAG TZ XAUTHORITY DISPLAY LANG=C
in_flow_delay = 1s
inet_interfaces = all
inet_protocols = ipv4
initial_destination_concurrency = 5
internal_mail_filter_classes =
invalid_hostname_reject_code = 501
ipc_idle = 100s
ipc_timeout = 3600s
ipc_ttl = 1000s
line_length_limit = 2048
lmtp_bind_address =
lmtp_bind_address6 =
lmtp_cname_overrides_servername = no
lmtp_connect_timeout = 0s
lmtp_connection_cache_destinations =
lmtp_connection_cache_on_demand = yes
lmtp_connection_cache_time_limit = 2s
lmtp_connection_reuse_time_limit = 300s
lmtp_data_done_timeout = 600s
lmtp_data_init_timeout = 120s
lmtp_data_xfer_timeout = 180s
lmtp_defer_if_no_mx_address_found = no
lmtp_destination_concurrency_limit = $default_destination_concurrency_limit
lmtp_destination_recipient_limit = $default_destination_recipient_limit
lmtp_discard_lhlo_keyword_address_maps =
lmtp_discard_lhlo_keywords =
lmtp_enforce_tls = no
lmtp_generic_maps =
lmtp_host_lookup = dns
lmtp_lhlo_name = $myhostname
lmtp_lhlo_timeout = 300s
lmtp_line_length_limit = 990
lmtp_mail_timeout = 300s
lmtp_mx_address_limit = 5
lmtp_mx_session_limit = 2
lmtp_pix_workaround_delay_time = 10s
lmtp_pix_workaround_threshold_time = 500s
lmtp_quit_timeout = 300s
lmtp_quote_rfc821_envelope = yes
lmtp_randomize_addresses = yes
lmtp_rcpt_timeout = 300s
lmtp_rset_timeout = 20s
lmtp_sasl_auth_enable = no
lmtp_sasl_mechanism_filter =
lmtp_sasl_password_maps =
lmtp_sasl_path =
lmtp_sasl_security_options = noplaintext, noanonymous
lmtp_sasl_tls_security_options = $lmtp_sasl_security_options
lmtp_sasl_tls_verified_security_options = $lmtp_sasl_tls_security_options
lmtp_sasl_type = cyrus
lmtp_send_xforward_command = no
lmtp_sender_dependent_authentication = no
lmtp_skip_5xx_greeting = yes
lmtp_starttls_timeout = 300s
lmtp_tcp_port = 24
lmtp_tls_CAfile =
lmtp_tls_CApath =
lmtp_tls_cert_file =
lmtp_tls_dcert_file =
lmtp_tls_dkey_file = $lmtp_tls_dcert_file
lmtp_tls_enforce_peername = yes
lmtp_tls_exclude_ciphers =
lmtp_tls_key_file = $lmtp_tls_cert_file
lmtp_tls_loglevel = 0
lmtp_tls_mandatory_ciphers = medium
lmtp_tls_mandatory_exclude_ciphers =
lmtp_tls_mandatory_protocols = SSLv3, TLSv1
lmtp_tls_note_starttls_offer = no
lmtp_tls_per_site =
lmtp_tls_policy_maps =
lmtp_tls_scert_verifydepth = 5
lmtp_tls_secure_cert_match = nexthop
lmtp_tls_security_level =
lmtp_tls_session_cache_database =
lmtp_tls_session_cache_timeout = 3600s
lmtp_tls_verify_cert_match = hostname
lmtp_use_tls = no
lmtp_xforward_timeout = 300s
local_command_shell =
local_destination_concurrency_limit = 2
local_destination_recipient_limit = 1
local_header_rewrite_clients = permit_inet_interfaces
local_recipient_maps = proxy:unix:passwd.byname $alias_maps
local_transport = local:$myhostname
luser_relay =
mail_name = Postfix
mail_owner = postfix
mail_release_date = 200600825
mail_spool_directory = /var/mail
mail_version = 2.3.3
mailbox_command =
mailbox_command_maps =
mailbox_delivery_lock = fcntl, dotlock
mailbox_size_limit = 51200000
mailbox_transport =
mailbox_transport_maps =
mailq_path = /usr/bin/mailq
manpage_directory = /usr/local/man
maps_rbl_domains =
maps_rbl_reject_code = 554
masquerade_classes = envelope_sender, header_sender, header_recipient
masquerade_domains =
masquerade_exceptions =
max_idle = 100s
max_use = 100
maximal_backoff_time = 4000s
maximal_queue_lifetime = 5d
message_reject_characters =
message_size_limit = 10240000
message_strip_characters =
milter_command_timeout = 30s
milter_connect_macros = j {daemon_name} v
milter_connect_timeout = 30s
milter_content_timeout = 300s
milter_data_macros = i
milter_default_action = tempfail
milter_end_of_data_macros = i
milter_helo_macros = {tls_version} {cipher} {cipher_bits} {cert_subject} {cert_issuer}
milter_macro_daemon_name = $myhostname
milter_macro_v = $mail_name $mail_version
milter_mail_macros = i {auth_type} {auth_authen} {auth_author} {mail_addr}
milter_protocol = 2
milter_rcpt_macros = i {rcpt_addr}
milter_unknown_command_macros =
mime_boundary_length_limit = 2048
mime_header_checks = $header_checks
mime_nesting_limit = 100
minimal_backoff_time = 1000s
multi_recipient_bounce_reject_code = 550
mydestination = $myhostname, localhost.$mydomain, localhost
mydomain = telnet-bd.com
myhostname = fortune-01.telnet-bd.com
mynetworks = 127.0.0.0/8 116.212.104.64/27
mynetworks_style = subnet
myorigin = $myhostname
nested_header_checks = $header_checks
newaliases_path = /usr/bin/newaliases
non_fqdn_reject_code = 504
non_smtpd_milters =
notify_classes = resource, software
owner_request_special = yes
parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks,permit_mx_backup_networks,qmqpd_authorized_clients,relay_domains,smtpd_acces
s_maps
permit_mx_backup_networks =
pickup_service_name = pickup
plaintext_reject_code = 450
prepend_delivered_header = command, file, forward
process_id_directory = pid
propagate_unmatched_extensions = canonical, virtual
proxy_interfaces =
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recip
ient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks
qmgr_clog_warn_time = 300s
qmgr_fudge_factor = 100
qmgr_message_active_limit = 20000
qmgr_message_recipient_limit = 20000
qmgr_message_recipient_minimum = 10
qmqpd_authorized_clients =
qmqpd_error_delay = 1s
qmqpd_timeout = 300s
queue_directory = /var/spool/postfix
queue_file_attribute_count_limit = 100
queue_minfree = 0
queue_run_delay = 1000s
queue_service_name = qmgr
rbl_reply_maps =
readme_directory = no
receive_override_options =
recipient_bcc_maps =
recipient_canonical_classes = envelope_recipient, header_recipient
recipient_canonical_maps =
recipient_delimiter =
reject_code = 554
relay_clientcerts =
relay_destination_concurrency_limit = $default_destination_concurrency_limit
relay_destination_recipient_limit = $default_destination_recipient_limit
relay_domains = $mydestination
relay_domains_reject_code = 554
relay_recipient_maps =
relay_transport = relay
relayhost =
relocated_maps =
remote_header_rewrite_domain =
require_home_directory = no
resolve_dequoted_address = yes
resolve_null_domain = no
resolve_numeric_domain = no
rewrite_service_name = rewrite
sample_directory = /etc/postfix
sender_bcc_maps =
sender_canonical_classes = envelope_sender, header_sender
sender_canonical_maps =
sender_dependent_relayhost_maps =
sendmail_path = /usr/sbin/sendmail
service_throttle_time = 60s
setgid_group = postdrop
show_user_unknown_table_name = yes
showq_service_name = showq
smtp_always_send_ehlo = yes
smtp_bind_address =
smtp_bind_address6 =
smtp_cname_overrides_servername = no
smtp_connect_timeout = 30s
smtp_connection_cache_destinations =
smtp_connection_cache_on_demand = yes
smtp_connection_cache_time_limit = 2s
smtp_connection_reuse_time_limit = 300s
smtp_data_done_timeout = 600s
smtp_data_init_timeout = 120s
smtp_data_xfer_timeout = 180s
smtp_defer_if_no_mx_address_found = no
smtp_destination_concurrency_limit = $default_destination_concurrency_limit
smtp_destination_recipient_limit = $default_destination_recipient_limit
smtp_discard_ehlo_keyword_address_maps =
smtp_discard_ehlo_keywords =
smtp_enforce_tls = no
smtp_fallback_relay = $fallback_relay
smtp_generic_maps =
smtp_helo_name = $myhostname
smtp_helo_timeout = 300s
smtp_host_lookup = dns
smtp_line_length_limit = 990
smtp_mail_timeout = 300s
smtp_mx_address_limit = 5
smtp_mx_session_limit = 2
smtp_never_send_ehlo = no
smtp_pix_workaround_delay_time = 10s
smtp_pix_workaround_threshold_time = 500s
smtp_quit_timeout = 300s
smtp_quote_rfc821_envelope = yes
smtp_randomize_addresses = yes
smtp_rcpt_timeout = 300s
smtp_rset_timeout = 20s
smtp_sasl_auth_enable = no
smtp_sasl_mechanism_filter =
smtp_sasl_password_maps =
smtp_sasl_path =
smtp_sasl_security_options = noplaintext, noanonymous
smtp_sasl_tls_security_options = $smtp_sasl_security_options
smtp_sasl_tls_verified_security_options = $smtp_sasl_tls_security_options
smtp_sasl_type = cyrus
smtp_send_xforward_command = no
smtp_sender_dependent_authentication = no
smtp_skip_5xx_greeting = yes
smtp_skip_quit_response = yes
smtp_starttls_timeout = 300s
smtp_tls_CAfile =
smtp_tls_CApath =
smtp_tls_cert_file =
smtp_tls_dcert_file =
smtp_t