main.cf vypadá takto:
# 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 $mail_name (Ubuntu)
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
readme_directory = no
# TLS parameters
smtpd_tls_cert_file= /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file= /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.
smtpd_relay_restrictions = permit_mynetworks defer_unauth_destination permit_sasl_authenticated
#smtpd_client_restrictions=permit_sasl_authenticated,reject
#smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unauth_destination, reject_unauth_pipelining, reject_invalid_hostname, reject_rhsbl_client blackhole.securitysage.com, reject_rhsbl_sender blackhole.securitysage.com, reject_rbl_client zombie.dnsbl.sorbs.net, reject_rbl_client relays.ordb.org, reject_rbl_client opm.blitzed.org, reject_rbl_client sbl.spamhaus.org, reject_unknown_reverse_client_hostname, permit
#smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
#smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, check_recipient_access mysql:/etc/postfix/mysql-virtual_recipient.cf, reject_unauth_destination
#smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
#smtpd_recipient_restrictions = permit_sasl_authenticated, reject_unauth_destination
myhostname = xxxxxx.cz
alias_maps = hash:/etc/aliases
#alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
alias_database = hash:/etc/aliases
#alias_database = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
myorigin = /etc/mailname
mydestination = xxxxx.cz, xxxxxx.cz, xxxxx.cz, xxxxxx.cz, xxxxxx.cz, xxxxx.net, localhost.localdomain, localhost
#mydestination = /etc/postfix/mydomains
#$myhostname, localhost.$mydomain
#mydomain = xxxxx
#relay_domains = $mydestination
#$myhostname, localhost.$mydomain, localhost, $mydomain
#xxxx.xxx, xxxx, localhost.localdomain, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
#[::ffff:127.0.0.0]/104 [::1]/128 37.157.197.145
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
html_directory = /usr/share/doc/postfix/html
message_size_limit = 0
inet_protocols = all
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth-client
#relay_recipient_maps = hash:/etc/postfix/mydomains
#smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_sasl_local_domain =
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = no
smtpd_sasl_auth_enable = no
smtpd_tls_loglevel = 4