When sending from my network, I was receiving a warning message: Jul 5 15:57:06 scorpio postfix/smtpd[22724]: connect from localhost[127.0.0.1] Jul 5 15:57:07 scorpio postfix/smtpd[22724]: warning: SASL authentication failure: no user in db
I was advised to put the following in the main.cf file: smtpd_sasl_exceptions_networks = $mynetworks That works fine if I send from the same PC that is hosting Postfix. However, if I send from another PC on the network, I receive a similar waring message: Jul 5 15:57:06 scorpio postfix/smtpd[22724]: connect from boss.seibercom.net[192.168.1.104] Jul 5 15:57:07 scorpio postfix/smtpd[22724]: warning: SASL authentication failure: no user in db So, I added this to the main.cf file: smtpd_sasl_exceptions_networks = $mynetworks, 192.168.1.0/24 Unfortunately, it does not stop the waring message from appearing. I know it is only a harmless warning message; however, I would like to know what I am doing wrong. This is the output of postconf -n alias_database = hash:/usr/local/etc/postfix/aliases alias_maps = hash:/usr/local/etc/postfix/aliases broken_sasl_auth_clients = yes command_directory = /usr/local/sbin config_directory = /usr/local/etc/postfix daemon_directory = /usr/local/libexec/postfix data_directory = /var/db/postfix debug_peer_level = 2 html_directory = no inet_interfaces = all mail_owner = postfix mail_spool_directory = /var/mail mailq_path = /usr/local/bin/mailq manpage_directory = /usr/local/man milter_default_action = accept mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = seibercom.net mynetworks_style = subnet myorigin = $mydomain newaliases_path = /usr/local/bin/newaliases queue_directory = /var/spool/postfix readme_directory = no sample_directory = /usr/local/etc/postfix sender_dependent_relayhost_maps = hash:/usr/local/etc/postfix/sender_relay sendmail_path = /usr/local/sbin/sendmail setgid_group = maildrop smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/usr/local/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_type = cyrus smtp_sender_dependent_authentication = yes smtp_tls_CAfile = /usr/local/etc/postfix/certs/cacert.pem smtp_tls_CApath = /usr/local/etc/postfix/certs smtp_tls_cert_file = /usr/local/etc/postfix/certs/postfix-cert.pem smtp_tls_key_file = /usr/local/etc/postfix/certs/postfix-key.pem smtp_tls_loglevel = 0 smtp_tls_note_starttls_offer = yes smtp_tls_security_level = may smtp_tls_session_cache_database = btree:/var/db/postfix/smtp_tls_session_cache smtpd_milters = unix:/var/run/clamav/clmilter.sock smtpd_recipient_restrictions = permit_sasl_authenticated permit_mynetworks reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_exceptions_networks = $mynetworks, 192.168.1.0/24 smtpd_sasl_local_domain = smtpd_sasl_path = smtpd smtpd_sasl_security_options = noanonymous smtpd_sasl_tls_security_options = noanonymous smtpd_tls_CAfile = /usr/local/etc/postfix/certs/cacert.pem smtpd_tls_cert_file = /usr/local/etc/postfix/certs/postfix-cert.pem smtpd_tls_key_file = /usr/local/etc/postfix/certs/postfix-key.pem smtpd_tls_received_header = yes smtpd_tls_security_level = may smtpd_tls_session_cache_database = btree:/var/db/postfix/smtpd_tls_session_cache tls_random_source = dev:/dev/urandom transport_maps = hash:/usr/local/etc/postfix/transport unknown_local_recipient_reject_code = 550 -- Gerard postfix.u...@yahoo.com TO REPORT A PROBLEM see http://www.postfix.org/DEBUG_README.html#mail TO (UN)SUBSCRIBE see http://www.postfix.org/lists.html All the simple programs have been written.