2021-12-17 03:33:54 +08:00
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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
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# Debian specific: Specifying a file name will cause the first
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# line of that file to be used as the name. The Debian default
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# is /etc/mailname.
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#myorigin = /etc/mailname
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smtpd_banner = $myhostname ESMTP $mail_name
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biff = no
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# appending .domain is the MUA's job.
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append_dot_mydomain = no
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# Uncomment the next line to generate "delayed mail" warnings
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#delay_warning_time = 4h
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readme_directory = no
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# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
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# fresh installs.
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compatibility_level = 3.6
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# TLS parameters
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#smtpd_tls_cert_file=/etc/letsencrypt/live/example.com/fullchain.pem
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#smtpd_tls_key_file=/etc/letsencrypt/live/example.com/privkey.pem
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#smtpd_use_tls=yes
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#smtpd_tls_auth_only = yes
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#smtp_tls_security_level = may
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#smtpd_tls_security_level = may
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#smtpd_sasl_security_options = noanonymous, noplaintext
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#smtpd_sasl_tls_security_options = noanonymous
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# Authentication
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# SASL Auth for SMTP relaying
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smtpd_sasl_type = dovecot
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smtpd_sasl_path = private/auth
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smtpd_sasl_authenticated_header = yes
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smtpd_sasl_auth_enable = yes
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smtpd_sasl_security_options = noanonymous
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broken_sasl_auth_clients = yes
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# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
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# information on enabling SSL in the smtp client.
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# Restrictions
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smtpd_helo_restrictions =
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permit_mynetworks
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permit_sasl_authenticated
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reject_invalid_helo_hostname
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reject_non_fqdn_helo_hostname
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smtpd_recipient_restrictions =
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permit_mynetworks
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permit_sasl_authenticated
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reject_non_fqdn_recipient
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reject_unknown_recipient_domain
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reject_unlisted_recipient
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reject_unauth_destination
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smtpd_sender_restrictions =
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permit_mynetworks
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permit_sasl_authenticated
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reject_non_fqdn_sender
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reject_unknown_sender_domain
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reject_unknown_recipient_domain
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smtpd_relay_restrictions =
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permit_mynetworks
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permit_sasl_authenticated
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defer_unauth_destination
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smtpd_data_restrictions =
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reject_unauth_pipelining
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permit
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# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
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# information on enabling SSL in the smtp client.
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myhostname = mail.esin.io
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alias_maps = hash:/etc/postfix/aliases
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2021-12-18 00:56:07 +08:00
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alias_database = hash:/etc/postfix/aliases
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2021-12-17 03:33:54 +08:00
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mydomain = esin.io
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myorigin = $mydomain
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mydestination =
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relayhost =
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mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
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#mynetworks = all
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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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# Handing off local delivery to Dovecot's LMTP, and telling it where to store mail
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#virtual_transport = virtual
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virtual_transport = lmtp:unix:private/dovecot-lmtp
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local_transport = virtual
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# Virtual domains, users, and aliases
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#virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf
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#virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf
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#virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf,
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# mysql:/etc/postfix/mysql-virtual-email2email.cf
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virtual_mailbox_base = /var/mail/domains
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#virtual_mailbox_domains = proxy:pgsql:/etc/postfix/pgsql_virtual_domains_maps.cf
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#virtual_mailbox_maps = proxy:pgsql:/etc/postfix/pgsql_virtual_mailbox_maps.cf, proxy:pgsql:/etc/postfix/pgsql_virtual_mailbox_domainaliases_maps.cf
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#virtual_alias_maps = proxy:pgsql:/etc/postfix/pgsql_virtual_alias_maps.cf, proxy:pgsql:/etc/postfix/pgsql_virtual_alias_domainaliases_maps.cf
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relay_domains = $mydestination, proxy:pgsql:/etc/postfix/pgsql/relay_domains.cf
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virtual_alias_maps = proxy:pgsql:/etc/postfix/pgsql/virtual_alias_maps.cf
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virtual_mailbox_domains = proxy:pgsql:/etc/postfix/pgsql/virtual_domains_maps.cf
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virtual_mailbox_maps = proxy:pgsql:/etc/postfix/pgsql/virtual_mailbox_maps.cf
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local_recipient_maps = $virtual_mailbox_maps
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#smtpd_sender_login_maps = proxy:pgsql:/etc/postfix/pgsql/virtual_sender_maps.cf
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virtual_mailbox_limit = 512000000
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virtual_minimum_uid = 8
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virtual_uid_maps = static:8
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virtual_gid_maps = static:12
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# Even more Restrictions and MTA params
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disable_vrfy_command = yes
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strict_rfc821_envelopes = yes
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#smtpd_etrn_restrictions = reject
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#smtpd_reject_unlisted_sender = yes
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#smtpd_reject_unlisted_recipient = yes
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smtpd_delay_reject = yes
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smtpd_helo_required = yes
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smtp_always_send_ehlo = yes
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#smtpd_hard_error_limit = 1
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smtpd_timeout = 30s
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smtp_helo_timeout = 15s
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smtp_rcpt_timeout = 15s
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smtpd_recipient_limit = 40
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minimal_backoff_time = 180s
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maximal_backoff_time = 3h
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# Reply Rejection Codes
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invalid_hostname_reject_code = 550
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non_fqdn_reject_code = 550
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unknown_address_reject_code = 550
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unknown_client_reject_code = 550
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unknown_hostname_reject_code = 550
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unverified_recipient_reject_code = 550
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unverified_sender_reject_code = 550
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mynetworks_style = subnet
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# ---------------------------------
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# Header manipulation
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# --------------------------------------
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# Getting rid of unwanted headers. See: https://posluns.com/guides/header-removal/
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#header_checks = regexp:/etc/postfix/header_checks
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# getting rid of x-original-to
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enable_original_recipient = no
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# ---------------------------------
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# DKIM
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# --------------------------------------
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milter_default_action = accept
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milter_protocol = 2
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smtpd_milters = inet:8891
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non_smtpd_milters = inet:8891
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# ---------
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# log
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# --------
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#maillog_file = /var/log/mail.log
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