`# POSTFIX(1) configuration file - auto-generated by i-MSCP
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
#
# General parameters
inet_protocols = ipv4
inet_interfaces = all
mynetworks_style = host
smtp_bind_address = 192.168.9.212
smtp_bind_address6 =
myhostname = panel.vtmk.hu
mydomain = panel.vtmk.hu.local
myorigin = $myhostname
smtpd_banner = $myhostname ESMTP i-MSCP 1.5.3 Managed
append_dot_mydomain = no
append_at_myorigin = yes
biff = no
recipient_delimiter = +
message_size_limit = 0

# Local delivery parameters
mydestination = $myhostname localhost.$mydomain localhost $mydomain
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
local_transport = local
local_destination_concurrency_limit = 2
local_destination_recipient_limit = 1
local_recipient_maps = proxy:unix:passwd.byname $alias_maps
mail_spool_directory = /var/mail
mailbox_size_limit = 0

# Virtual delivery parameters
virtual_mailbox_base = /var/mail/virtual
virtual_mailbox_limit = 0
virtual_mailbox_domains = hash:/etc/postfix/imscp/domains
virtual_mailbox_maps = hash:/etc/postfix/imscp/mailboxes
virtual_alias_domains =
virtual_alias_maps = hash:/etc/postfix/imscp/aliases
virtual_transport = dovecot
virtual_destination_concurrency_limit = 2
virtual_destination_recipient_limit = 1
virtual_minimum_uid = 999
virtual_uid_maps = static:999
virtual_gid_maps = static:8

# Relay parameters
relay_domains = hash:/etc/postfix/imscp/relay_domains
relay_recipient_maps =
relay_transport = relay
relayhost =

# Transport parameters
transport_maps = hash:/etc/postfix/imscp/transport

# SMTP restrictions
smtpd_helo_required = yes
smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, permit
smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_sender, reject_unknown_sender_domain, permit
smtpd_recipient_restrictions = reject_non_fqdn_recipient, reject_unknown_recipient_domain, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unlisted_recipient, permit
smtpd_data_restrictions = reject_multi_recipient_bounce, reject_unauth_pipelining

# i-MSCP responder parameters
imscp-arpl_destination_concurrency_limit = 2
imscp-arpl_destination_recipient_limit = 1

# Parameters added at run-time by i-MSCP or 3rd-party components
smtpd_sasl_type = dovecot
smtpd_sasl_authenticated_header = yes
broken_sasl_auth_clients = yes
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_auth_enable = yes
dovecot_destination_concurrency_limit = 2
dovecot_destination_recipient_limit = 1
smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_scache
smtpd_tls_session_cache_timeout = 3600s
smtpd_tls_security_level = may
smtp_tls_loglevel = 0
smtp_tls_exclude_ciphers = aNULL, MD5
smtpd_relay_restrictions =
smtpd_tls_ciphers = high
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
compatibility_level = 2
smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_scache
smtpd_tls_loglevel = 0
smtp_tls_ciphers = high
smtp_tls_security_level = may
smtpd_tls_exclude_ciphers = aNULL, MD5
smtp_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_cert_file = /etc/imscp/imscp_services.pem
smtpd_tls_auth_only = no
smtpd_tls_received_header = yes
smtpd_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_key_file = /etc/imscp/imscp_services.pem
`

És ez lenne a leírásban:

`# 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

smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem
smtpd_tls_key_file=/etc/ssl/private/dovecot.pem
smtpd_use_tls=yes
smtpd_tls_auth_only = yes

smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions =
        permit_sasl_authenticated,
        permit_mynetworks,
        reject_unauth_destination

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = hostname.example.com
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
#mydestination = example.com, hostname.example.com, localhost.example.com
mydestination = localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all

## Tells Postfix to use Dovecot's LMTP instead of its own LDA to save emails to the local mailboxes.
virtual_transport = lmtp:unix:private/dovecot-lmtp

## Tells Postfix you're using MySQL to store virtual domains, and gives the paths to the database connections.
virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf
virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf`