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    Postfix config
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    Postfix config

    I've installed postfix as it's written however I'd like to create an SMTP host and a user. The user should be able to write in the name of *@domain.com ([email protected]) and it should be able to connect to the server remotely.

    My config

    # See /usr/share/postfix/main.cf.dist for a commented, more complete version
    
    
    # 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
    
    smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
    biff = no
    
    # appending .domain is the MUA's job.
    append_dot_mydomain = no
    
    # Uncomment the next line to generate "delayed mail" warnings
    #delay_warning_time = 4h
    
    readme_directory = no
    
    # TLS parameters
    smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
    smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
    smtpd_use_tls=yes
    smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
    smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
    
    # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
    # information on enabling SSL in the smtp client.
    
    smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
    myhostname = domain.com
    alias_maps = hash:/etc/aliases
    alias_database = hash:/etc/aliases
    myorigin = /etc/mailname
    mydestination = domain.com, Host-CZ, localhost.localdomain, localhost
    relayhost = 
    mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
    mailbox_size_limit = 0
    recipient_delimiter = +
    inet_interfaces = loopback-only
    inet_protocols = all
    
    smtpd_milters           = inet:127.0.0.1:8891
    non_smtpd_milters       = $smtpd_milters
    milter_default_action   = accept
    milter_protocol         = 2
    

    Comments

    • Create user acct and password - adduser / passwd

      Install, configure saslauthd

      Integrate saslauth + postfix, activate submission port 587

      Have postfix listen on public ip

      User can then send by postfix.

      Configure domains, addresses in virtual - /etc/postfix/virtual

      postmap virtual

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