Hi! long time we don't speak .... ok! I'm going crazy with my postfix on debian 2.6.26. i can connect and use my smtpd from $mynetworks , but i can't do anything from internet ips . Code: root@hostname:~# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes canonical_maps = hash:/etc/postfix/canonical config_directory = /etc/postfix delay_warning_time = 4h disable_dns_lookups = yes home_mailbox = Maildir/ inet_interfaces = all mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 mydestination = $mydomain ,smtp.$mydomain,pop.$mydomain,localhost.localdomain , localhost mydomain = mydomainname myhostname = smtp.$mydomain mynetworks = 127.0.0.0/8, 192.168.1.0/24 mynetworks_style = subnet myorigin = /etc/mailname readme_directory = /usr/share/doc/postfix recipient_delimiter = + relayhost = [smtp.myrelay.host]:587 smtp_cname_overrides_servername = no smtp_enforce_tls = yes smtp_sasl_auth_enable = yes smtp_sasl_mechanism_filter = plain, login smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = smtp_sasl_tls_security_options = smtp_tls_CAfile = /etc/postfix/ssl/CA.pem smtp_tls_cert_file = /etc/postfix/ssl/cert.pem smtp_tls_key_file = /etc/postfix/ssl/key.pem smtp_tls_mandatory_ciphers = high smtp_tls_mandatory_protocols = TLSv1 smtp_tls_note_starttls_offer = yes smtp_tls_per_site = hash:/etc/postfix/tls_per_site smtp_tls_secure_cert_match = nexthop smtp_tls_security_level = secure smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = ESMTP $mail_name (My mailname) smtpd_sasl_auth_enable = no smtpd_sasl_authenticated_header = no smtpd_sasl_local_domain = smtpd_sasl_path = private/auth smtpd_sasl_security_options = smtpd_sasl_tls_security_options = smtpd_sasl_type = dovecot smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem smtpd_tls_auth_only = no smtpd_tls_cert_file = /etc/postfix/ssl/cert.pem smtpd_tls_key_file = /etc/postfix/ssl/key.pem smtpd_tls_received_header = no smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_daemon_random_bytes = 32 tls_random_reseed_period = 3600s tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport what else could i say ??? what's wrong with my main.cf? thanks!