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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 * ([email protected]) and it should be able to connect to the server remotely.

My config

# See /usr/share/postfix/ 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_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 =
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination =, Host-CZ, localhost.localdomain, localhost
relayhost = 
mynetworks = [::ffff:]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = loopback-only
inet_protocols = all

smtpd_milters           = inet:
non_smtpd_milters       = $smtpd_milters
milter_default_action   = accept
milter_protocol         = 2


  • 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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