@Jerry >Please don't use HTML format to send email. Plain ASCII is preferred. Sorry, correct it immediately.
postconf -n alias_database = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 html_directory = no inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man message_size_limit = 15360000 mydestination = localhost myhostname = mail3.gisnet.it newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES relay_domains = /etc/postfix/rcpthosts sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, rej ect_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_type = dovecot smtpd_tls_CAfile = /etc/postfix/cert/cacert.pem smtpd_tls_cert_file = /etc/postfix/cert/smtpd.crt smtpd_tls_key_file = /etc/postfix/cert/smtpd.key smtpd_tls_loglevel = 1 smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache smtpd_use_tls = yes transport_maps = hash:/etc/postfix/transport unknown_local_recipient_reject_code = 550 virtual_alias_maps = ldap:/etc/postfix/ldap-virtual-alias-maps.cf virtual_gid_maps = static:8135 virtual_mailbox_base = /home/vmail virtual_minimum_uid = 100 virtual_uid_maps = static:8135 @Patrick > the purpose of an SMTP server is to accept messages for your domains and e.g. > route them into your mailbox. There's nothing wrong with this. is my English is bad, I have not explained well. I want my postfix mail server is an authenticated smtp. In practice now if you configure the SMTP client with my server on port 25 with no authentication you can use it. Are using it to send spam.