mirror of
https://github.com/docker-mailserver/docker-mailserver.git
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75 lines
3.3 KiB
CFEngine3
75 lines
3.3 KiB
CFEngine3
# See /usr/share/postfix/main.cf.dist for a commented, more complete version
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smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
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biff = no
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append_dot_mydomain = no
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readme_directory = no
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# Basic configuration
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# myhostname =
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alias_maps = texthash:/etc/aliases
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alias_database = texthash:/etc/aliases
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mydestination =
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relayhost =
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mynetworks = 127.0.0.0/8 [::1]/128 [fe80::]/64
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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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# TLS parameters
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smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
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smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
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#smtpd_tls_CAfile=
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#smtp_tls_CAfile=
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smtpd_tls_security_level = may
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smtpd_use_tls=yes
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smtp_tls_security_level = may
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smtp_tls_loglevel = 1
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tls_ssl_options = NO_COMPRESSION
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tls_high_cipherlist=ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS
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smtpd_tls_protocols=!SSLv2,!SSLv3
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smtp_tls_protocols=!SSLv2,!SSLv3
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smtpd_tls_mandatory_ciphers = high
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smtpd_tls_mandatory_protocols = !SSLv2,!SSLv3
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smtpd_tls_exclude_ciphers = aNULL, LOW, EXP, MEDIUM, ADH, AECDH, MD5, DSS, ECDSA, CAMELLIA128, 3DES, CAMELLIA256, RSA+AES, eNULL
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smtpd_tls_CApath = /etc/ssl/certs
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smtp_tls_CApath = /etc/ssl/certs
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# Settings to prevent SPAM early
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smtpd_helo_required = yes
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smtpd_delay_reject = yes
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smtpd_helo_restrictions = permit_mynetworks, reject_invalid_helo_hostname, permit
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smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
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smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination,
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reject_unauth_pipelining, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_recipient_domain,
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reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net
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smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unauth_pipelining
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smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unknown_sender_domain
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# SASL
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smtpd_sasl_auth_enable = yes
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smtpd_sasl_path = /var/spool/postfix/private/auth
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smtpd_sasl_type = dovecot
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smtpd_sasl_security_options = noanonymous
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smtpd_sasl_local_domain = $myhostname
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broken_sasl_auth_clients = yes
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# Mail directory
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virtual_transport = lmtp:unix:/var/run/dovecot/lmtp
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virtual_mailbox_domains = /etc/postfix/vhost
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virtual_mailbox_maps = texthash:/etc/postfix/vmailbox
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virtual_alias_maps = texthash:/etc/postfix/virtual
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# Additional option for filtering
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content_filter = smtp-amavis:[127.0.0.1]:10024
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# Milters used by DKIM
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milter_protocol = 6
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milter_default_action = accept
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dkim_milter = inet:localhost:8891
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dmarc_milter = inet:localhost:8893
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smtpd_milters = $dkim_milter,$dmarc_milter
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non_smtpd_milters = $dkim_milter
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