162 lines
5.2 KiB
Smarty
162 lines
5.2 KiB
Smarty
inet_interfaces = all
|
|
inet_protocols = ipv4
|
|
myhostname = %hostname
|
|
myorigin = $myhostname
|
|
mydestination = $myhostname
|
|
mynetworks = 127.0.0.0/8
|
|
smtpd_banner = $myhostname ESMTP
|
|
biff = no
|
|
unknown_local_recipient_reject_code = 550
|
|
unverified_recipient_reject_code = 550
|
|
|
|
# appending .domain is the MUA's job.
|
|
append_dot_mydomain = no
|
|
|
|
readme_directory = no
|
|
|
|
mailbox_size_limit = 0
|
|
message_size_limit = %message_size_limit
|
|
recipient_delimiter = +
|
|
|
|
alias_maps = hash:/etc/aliases
|
|
alias_database = hash:/etc/aliases
|
|
|
|
## Proxy maps
|
|
proxy_read_maps =
|
|
proxy:unix:passwd.byname
|
|
proxy:%{db_driver}:/etc/postfix/sql-domains.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-domain-aliases.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-aliases.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-relaydomains.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-relaydomains-transport.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-relaydomain-aliases-transport.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-autoreplies-transport.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-maintain.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-relay-recipient-verification.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-sender-login-mailboxes.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-sender-login-aliases.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-sender-login-mailboxes-extra.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-spliteddomains-transport.cf
|
|
|
|
## TLS settings
|
|
#
|
|
smtpd_use_tls = yes
|
|
smtpd_tls_auth_only = no
|
|
smtpd_tls_key_file = %tls_key_file
|
|
smtpd_tls_cert_file = %tls_cert_file
|
|
smtpd_tls_dh1024_param_file = ${config_directory}/dh2048.pem
|
|
smtpd_tls_loglevel = 1
|
|
smtpd_tls_session_cache_database = btree:$data_directory/smtpd_tls_session_cache
|
|
smtpd_tls_security_level = may
|
|
smtpd_tls_received_header = yes
|
|
|
|
# Disallow SSLv2 and SSLv3, only accept secure ciphers
|
|
smtpd_tls_protocols = !SSLv2, !SSLv3
|
|
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
|
|
smtpd_tls_mandatory_ciphers = high
|
|
smtpd_tls_mandatory_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
|
|
smtpd_tls_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
|
|
|
|
# Enable elliptic curve cryptography
|
|
smtpd_tls_eecdh_grade = strong
|
|
|
|
# Use TLS if this is supported by the remote SMTP server, otherwise use plaintext.
|
|
smtp_tls_security_level = may
|
|
smtp_tls_loglevel = 1
|
|
smtp_tls_exclude_ciphers = EXPORT, LOW
|
|
|
|
## Virtual transport settings
|
|
#
|
|
%{dovecot_enabled}virtual_transport = lmtp:unix:private/dovecot-lmtp
|
|
|
|
virtual_mailbox_domains = proxy:%{db_driver}:/etc/postfix/sql-domains.cf
|
|
virtual_alias_domains = proxy:%{db_driver}:/etc/postfix/sql-domain-aliases.cf
|
|
virtual_alias_maps =
|
|
proxy:%{db_driver}:/etc/postfix/sql-aliases.cf
|
|
|
|
## Relay domains
|
|
#
|
|
relay_domains =
|
|
proxy:%{db_driver}:/etc/postfix/sql-relaydomains.cf
|
|
transport_maps =
|
|
proxy:%{db_driver}:/etc/postfix/sql-spliteddomains-transport.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-relaydomains-transport.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-autoreplies-transport.cf
|
|
|
|
## SASL authentication through Dovecot
|
|
#
|
|
%{dovecot_enabled}smtpd_sasl_type = dovecot
|
|
%{dovecot_enabled}smtpd_sasl_path = private/auth
|
|
%{dovecot_enabled}smtpd_sasl_auth_enable = yes
|
|
%{dovecot_enabled}broken_sasl_auth_clients = yes
|
|
%{dovecot_enabled}smtpd_sasl_security_options = noanonymous
|
|
|
|
## SMTP session policies
|
|
#
|
|
|
|
# We require HELO to check it later
|
|
smtpd_helo_required = yes
|
|
|
|
# We do not let others find out which recipients are valid
|
|
disable_vrfy_command = yes
|
|
|
|
# MTA to MTA communication on Port 25. We expect (!) the other party to
|
|
# specify messages as required by RFC 821.
|
|
strict_rfc821_envelopes = yes
|
|
|
|
# Verify cache setup
|
|
%{dovecot_enabled}address_verify_map = proxy:btree:$data_directory/verify_cache
|
|
|
|
%{dovecot_enabled}proxy_write_maps =
|
|
%{dovecot_enabled} $smtp_sasl_auth_cache_name
|
|
%{dovecot_enabled} $lmtp_sasl_auth_cache_name
|
|
%{dovecot_enabled} $address_verify_map
|
|
|
|
# List of authorized senders
|
|
smtpd_sender_login_maps =
|
|
proxy:%{db_driver}:/etc/postfix/sql-sender-login-mailboxes.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-sender-login-aliases.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-sender-login-mailboxes-extra.cf
|
|
|
|
# Recipient restriction rules
|
|
smtpd_recipient_restrictions =
|
|
permit_mynetworks
|
|
permit_sasl_authenticated
|
|
check_recipient_access
|
|
proxy:%{db_driver}:/etc/postfix/sql-maintain.cf
|
|
proxy:%{db_driver}:/etc/postfix/sql-relay-recipient-verification.cf
|
|
reject_unverified_recipient
|
|
reject_unauth_destination
|
|
reject_non_fqdn_sender
|
|
reject_non_fqdn_recipient
|
|
reject_non_fqdn_helo_hostname
|
|
|
|
## Postcreen settings
|
|
#
|
|
postscreen_access_list =
|
|
permit_mynetworks
|
|
cidr:/etc/postfix/postscreen_spf_whitelist.cidr
|
|
postscreen_blacklist_action = enforce
|
|
|
|
# Use some DNSBL
|
|
postscreen_dnsbl_sites =
|
|
zen.spamhaus.org*3
|
|
bl.spameatingmonkey.net*2
|
|
dnsbl.habl.org
|
|
bl.spamcop.net
|
|
dnsbl.sorbs.net
|
|
postscreen_dnsbl_threshold = 3
|
|
postscreen_dnsbl_action = enforce
|
|
|
|
postscreen_greet_banner = Welcome, please wait...
|
|
postscreen_greet_action = enforce
|
|
|
|
postscreen_pipelining_enable = yes
|
|
postscreen_pipelining_action = enforce
|
|
|
|
postscreen_non_smtp_command_enable = yes
|
|
postscreen_non_smtp_command_action = enforce
|
|
|
|
postscreen_bare_newline_enable = yes
|
|
postscreen_bare_newline_action = enforce
|