majic-ansible-roles Changeset

Changeset - 359b1396b2c0

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Branko Majic (branko) - 8 months ago 2024-02-28 22:30:32
branko@majic.rs

MAR-192: Reformat and add comments for the mail_forwarder Postfix configuration file.

1 file changed with 44 insertions and 17 deletions:

roles/mail_forwarder/templates/main.cf.j2

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roles/mail_forwarder/templates/main.cf.j2

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 # See /usr/share/postfix/main.cf.dist for a commented, more complete version
 # Under Debian, when a file name is specified, the first line of the
 # file be used as the SMTP server's name.
 myorigin = /etc/mailname
 # Debian specific:  Specifying a file name will cause the first
 # line of that file to be used as the name.  The Debian default
 # is /etc/mailname.
 #myorigin = /etc/mailname
 # Text shown to connecting clients as part of SMTP greeting.
 smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
 # Disable the use of local biff service for new mail notifications to
 # local users.
 biff = no
 # appending .domain is the MUA's job.
 # Do not append server's domain to locally sent mail. This is up to
 # sending MUAs to take care of.
 append_dot_mydomain = no
 # Uncomment the next line to generate "delayed mail" warnings
 #delay_warning_time = 4h
 # Disable output of Postfix README file paths when invoking postconf.
 readme_directory = no
 # TLS parameters
 # Enable opportunistic TLS. Announce to connecting clients it is
 # enabled, but do not enforce it.
 smtpd_use_tls=yes
 # Use locally-issued self-signed certificates for TLS.
 smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
 smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
 # Use custom, generated DH parameters for increased security.
 smtpd_tls_dh1024_param_file = /etc/ssl/private/{{ inventory_hostname }}_smtp.dh.pem
 smtpd_tls_dh512_param_file = /etc/ssl/private/{{ inventory_hostname }}_smtp.dh.pem
 smtpd_use_tls=yes
 # Enable TLS session cache database for SMTP client. Helps with
 # performance and bandwidth usage.
 smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
 {% if smtp_relay_host %}
 # Force full TLS certificate validation for SMTP client when it
 # connect to relay host.
 smtp_tls_security_level=verify
 smtp_tls_CAfile=/etc/ssl/certs/smtp_relay_truststore.pem
 {% endif %}
 # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
 # information on enabling SSL in the smtp client.
 # Static relay host to use for outgoing mails from this server.
 relayhost = {{ smtp_relay_host }}{% if smtp_relay_host and smtp_relay_host_port %}:{{ smtp_relay_host_port }}{% endif %}
 # Internet hostname of this mail system.
 myhostname = {{ inventory_hostname }}
 # Alias maps for local deliveries (to system accounts).
 alias_maps = hash:/etc/aliases
 # Alias database that gets updated when invoking "newaliases" command.
 alias_database = hash:/etc/aliases
 myorigin = /etc/mailname
 # List of domains for local transport deliveries.
 mydestination = {{ inventory_hostname }}, {{ inventory_hostname_short }}, localhost.localdomain, localhost
 relayhost = {{ smtp_relay_host }}{% if smtp_relay_host and smtp_relay_host_port %}:{{ smtp_relay_host_port }}{% endif %}{{ '' }}
 # List of trusted networks allowed to relay mail through this system.x
 mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
 # External command for local mail deliveries.
 mailbox_command = procmail -a "$EXTENSION"
 # Disable size limits for local user mailboxes.
 mailbox_size_limit = 0
 # Recipient delimeter for separating user name from its extension.
 recipient_delimiter = +
 # Listen on all network interfaces and all protocols.
 inet_interfaces = all
 inet_protocols = all
 # Fall-back to using native lookups (/etc/hosts etc) if DNS lookup fails. Useful
 # for local overrides of mail servers.
 # Fall-back to using native lookups (/etc/hosts etc) if DNS lookup
 # fails. Useful for local overrides of mail servers.
 smtp_host_lookup = dns, native
 # Explicitly set maximum allowed mail size that should be accepted.

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