4519f460b4
See http://www.postfix.org/postconf.5.html#smtpd_use_tls. It is controlled by smtpd_tls_security_level, which is set to may. Co-authored-by: Florian Lindner <florian.lindner@ipvs.uni-stuttgart.de>
201 lines
8.1 KiB
CFEngine3
201 lines
8.1 KiB
CFEngine3
# --------------------------------------------------------------------------
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# Please create a file "extra.cf" for persistent overrides to main.cf
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# --------------------------------------------------------------------------
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biff = no
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append_dot_mydomain = no
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smtpd_tls_cert_file = /etc/ssl/mail/cert.pem
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smtpd_tls_key_file = /etc/ssl/mail/key.pem
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tls_server_sni_maps = hash:/opt/postfix/conf/sni.map
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smtpd_tls_received_header = yes
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smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
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smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
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smtpd_relay_restrictions = permit_mynetworks,
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permit_sasl_authenticated,
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defer_unauth_destination
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# alias maps are auto-generated in postfix.sh on startup
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alias_maps = hash:/etc/aliases
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alias_database = hash:/etc/aliases
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relayhost =
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mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 [fe80::]/10 [fc00::]/7
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mailbox_size_limit = 0
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recipient_delimiter = +
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inet_interfaces = all
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inet_protocols = all
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bounce_queue_lifetime = 1d
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broken_sasl_auth_clients = yes
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disable_vrfy_command = yes
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maximal_backoff_time = 1800s
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maximal_queue_lifetime = 5d
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delay_warning_time = 4h
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message_size_limit = 104857600
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milter_default_action = accept
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milter_protocol = 6
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minimal_backoff_time = 300s
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plaintext_reject_code = 550
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postscreen_access_list = permit_mynetworks,
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cidr:/opt/postfix/conf/custom_postscreen_whitelist.cidr,
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cidr:/opt/postfix/conf/postscreen_access.cidr,
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tcp:127.0.0.1:10027
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postscreen_bare_newline_enable = no
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postscreen_blacklist_action = drop
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postscreen_cache_cleanup_interval = 24h
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postscreen_cache_map = proxy:btree:$data_directory/postscreen_cache
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postscreen_dnsbl_action = enforce
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postscreen_dnsbl_sites = wl.mailspike.net=127.0.0.[18;19;20]*-2
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hostkarma.junkemailfilter.com=127.0.0.1*-2
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list.dnswl.org=127.0.[0..255].0*-2
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list.dnswl.org=127.0.[0..255].1*-4
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list.dnswl.org=127.0.[0..255].2*-6
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list.dnswl.org=127.0.[0..255].3*-8
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ix.dnsbl.manitu.net*2
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bl.spamcop.net*2
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bl.suomispam.net*2
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hostkarma.junkemailfilter.com=127.0.0.2*3
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hostkarma.junkemailfilter.com=127.0.0.4*2
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hostkarma.junkemailfilter.com=127.0.1.2*1
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backscatter.spameatingmonkey.net*2
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bl.ipv6.spameatingmonkey.net*2
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bl.spameatingmonkey.net*2
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b.barracudacentral.org=127.0.0.2*7
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bl.mailspike.net=127.0.0.2*5
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bl.mailspike.net=127.0.0.[10;11;12]*4
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dnsbl.sorbs.net=127.0.0.10*8
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dnsbl.sorbs.net=127.0.0.5*6
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dnsbl.sorbs.net=127.0.0.7*3
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dnsbl.sorbs.net=127.0.0.8*2
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dnsbl.sorbs.net=127.0.0.6*2
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dnsbl.sorbs.net=127.0.0.9*2
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zen.spamhaus.org=127.0.0.[10;11]*8
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zen.spamhaus.org=127.0.0.[4..7]*6
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zen.spamhaus.org=127.0.0.3*4
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zen.spamhaus.org=127.0.0.2*3
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postscreen_dnsbl_threshold = 6
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postscreen_dnsbl_ttl = 5m
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postscreen_greet_action = enforce
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postscreen_greet_banner = $smtpd_banner
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postscreen_greet_ttl = 2d
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postscreen_greet_wait = 3s
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postscreen_non_smtp_command_enable = no
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postscreen_pipelining_enable = no
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proxy_read_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_sasl_passwd_maps_transport_maps.cf,
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proxy:mysql:/opt/postfix/conf/sql/mysql_tls_enforce_in_policy.cf,
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$sender_dependent_default_transport_maps,
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$smtp_tls_policy_maps,
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$local_recipient_maps,
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$mydestination,
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$virtual_alias_maps,
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$virtual_alias_domains,
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$virtual_mailbox_maps,
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$virtual_mailbox_domains,
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$relay_recipient_maps,
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$relay_domains,
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$canonical_maps,
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$sender_canonical_maps,
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$sender_bcc_maps,
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$recipient_bcc_maps,
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$recipient_canonical_maps,
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$relocated_maps,
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$transport_maps,
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$mynetworks,
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$smtpd_sender_login_maps,
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$smtp_sasl_password_maps
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queue_run_delay = 300s
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relay_domains = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_relay_domain_maps.cf
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relay_recipient_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_relay_recipient_maps.cf
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sender_dependent_default_transport_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_sender_dependent_default_transport_maps.cf
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smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
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smtpd_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
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smtp_tls_cert_file = /etc/ssl/mail/cert.pem
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smtp_tls_key_file = /etc/ssl/mail/key.pem
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smtp_tls_loglevel = 1
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smtp_dns_support_level = dnssec
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smtp_tls_security_level = dane
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smtpd_data_restrictions = reject_unauth_pipelining, permit
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smtpd_delay_reject = yes
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smtpd_error_sleep_time = 10s
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smtpd_hard_error_limit = ${stress?1}${stress:5}
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smtpd_helo_required = yes
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smtpd_proxy_timeout = 600s
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smtpd_recipient_restrictions = permit_sasl_authenticated,
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permit_mynetworks,
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check_recipient_access proxy:mysql:/opt/postfix/conf/sql/mysql_tls_enforce_in_policy.cf,
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reject_invalid_helo_hostname,
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reject_unauth_destination
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smtpd_sasl_auth_enable = yes
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smtpd_sasl_authenticated_header = yes
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smtpd_sasl_path = inet:dovecot:10001
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smtpd_sasl_type = dovecot
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smtpd_sender_login_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_sender_acl.cf
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smtpd_sender_restrictions = reject_authenticated_sender_login_mismatch,
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permit_mynetworks,
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permit_sasl_authenticated,
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reject_unlisted_sender,
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reject_unknown_sender_domain
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smtpd_soft_error_limit = 3
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smtpd_tls_auth_only = yes
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smtpd_tls_dh1024_param_file = /etc/ssl/mail/dhparams.pem
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smtpd_tls_eecdh_grade = auto
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smtpd_tls_exclude_ciphers = ECDHE-RSA-RC4-SHA, RC4, aNULL, DES-CBC3-SHA, ECDHE-RSA-DES-CBC3-SHA, EDH-RSA-DES-CBC3-SHA
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smtpd_tls_loglevel = 1
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# Mandatory protocols and ciphers are used when a connections is enforced to use TLS
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# Does _not_ apply to enforced incoming TLS settings per mailbox
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smtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
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lmtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
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smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
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smtpd_tls_mandatory_ciphers = high
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smtp_tls_protocols = !SSLv2, !SSLv3
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lmtp_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
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smtpd_tls_protocols = !SSLv2, !SSLv3
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smtpd_tls_security_level = may
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tls_preempt_cipherlist = yes
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tls_ssl_options = NO_COMPRESSION, NO_RENEGOTIATION
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virtual_alias_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_alias_maps.cf,
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proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_resource_maps.cf,
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proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_spamalias_maps.cf,
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proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_alias_domain_maps.cf
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virtual_gid_maps = static:5000
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virtual_mailbox_base = /var/vmail/
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virtual_mailbox_domains = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_domains_maps.cf
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recipient_bcc_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_recipient_bcc_maps.cf
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sender_bcc_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_sender_bcc_maps.cf
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recipient_canonical_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_recipient_canonical_maps.cf
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recipient_canonical_classes = envelope_recipient
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virtual_mailbox_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_mailbox_maps.cf
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virtual_minimum_uid = 104
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virtual_transport = lmtp:inet:dovecot:24
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virtual_uid_maps = static:5000
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smtpd_milters = inet:rspamd:9900
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non_smtpd_milters = inet:rspamd:9900
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milter_mail_macros = i {mail_addr} {client_addr} {client_name} {auth_authen}
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mydestination = localhost.localdomain, localhost
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# Prefere IPv4, useful for v4-only envs
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smtp_address_preference = ipv4
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smtp_sender_dependent_authentication = yes
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smtp_sasl_auth_enable = yes
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smtp_sasl_password_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_sasl_passwd_maps_sender_dependent.cf
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smtp_sasl_security_options =
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smtp_sasl_mechanism_filter = plain, login
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smtp_tls_policy_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_tls_policy_override_maps.cf
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smtp_header_checks = pcre:/opt/postfix/conf/anonymize_headers.pcre
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mail_name = Postcow
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# local_transport map catches local destinations and prevents routing local dests when the next map would route "*"
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# Use custom_transport.pcre for custom transports
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transport_maps = pcre:/opt/postfix/conf/custom_transport.pcre,
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pcre:/opt/postfix/conf/local_transport,
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proxy:mysql:/opt/postfix/conf/sql/mysql_relay_ne.cf,
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proxy:mysql:/opt/postfix/conf/sql/mysql_transport_maps.cf
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smtp_sasl_auth_soft_bounce = no
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postscreen_discard_ehlo_keywords = silent-discard, dsn
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compatibility_level = 2
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smtputf8_enable = yes
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# Define protocols for SMTPS and submission service
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submission_smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
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smtps_smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
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# DO NOT EDIT ANYTHING BELOW #
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# User overrides #
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