https://www.mail-archive.com/postfix-users@postfix.org/msg99219.html [1]
https://www.mail-archive.com/postfix-users@postfix.org/msg99175.html provide more information: SMTP server log: May 16 08:41:14 smtp3 postfix-sen/qmgr[27776]: 3420CA2062F: from=<sender@senddomain>, size=56791841, nrcpt=1 (queue active) May 16 08:41:31 smtp3 postfix-sen/smtp[10076]: 3420CA2062F: to=<recipient@recipientdomain>, relay=x.x.x.x[x.x.x.x]:25, delay=18, delays=0.52/0/0.1/17, dsn=5.0.0, status=bounced (host x.x.x.x[x.x.x.x] said: 550 Mail was identified as spam. (in reply to end of DATA command)) May 16 08:41:31 smtp3 postfix-sen/bounce[13268]: 3420CA2062F: sender non-delivery notification: B222BA204F5 May 16 08:41:31 smtp3 postfix-sen/qmgr[27776]: 3420CA2062F: removed Relay server log: May 16 08:41:14 smtp520 postfix-sen16/smtpd[28709]: connect from unknown[x.x.x.x] May 16 08:41:14 smtp520 postfix-sen16/smtpd[28709]: D2E6DFFFD7: client=unknown[x.x.x.x] May 16 08:41:31 smtp520 postfix-sen16/smtpd[28709]: lost connection after DATA (48169779 bytes) from unknown[x.x.x.x] May 16 08:41:31 smtp520 postfix-sen16/smtpd[28709]: disconnect from unknown[x.x.x.x] SMTP server config: POSTCONF -N: alias_database = hash:/etc/postfix/aliases alias_maps = hash:/etc/postfix/aliases allow_min_user = no authorized_submit_users = root bounce_queue_lifetime = 1d command_directory = /usr/sbin config_directory = /etc/postfix-sen/ daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix-sen debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 delay_warning_time = 0h disable_vrfy_command = yes enable_original_recipient = no header_checks = regexp:/etc/postfix-sen/header_checks html_directory = no inet_interfaces = x.x.x.x inet_protocols = ipv4 mail_owner = postfix mailbox_size_limit = 73400321 mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man master_service_disable = maximal_backoff_time = 3600s maximal_queue_lifetime = 1d message_size_limit = 73400320 minimal_backoff_time = 60s multi_instance_enable = yes multi_instance_group = mta multi_instance_name = postfix-sen mydestination = $myhostname, localhost, localhost.localdomain, localhost.$myhostname mydomain = xxx myhostname = xxxx mynetworks = x.x.x.x, 127.0.0.1 myorigin = xxxxxx newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix-sen queue_run_delay = 60s readme_directory = /usr/share/doc/postfix-2.11.0/README_FILES sample_directory = /usr/share/doc/postfix-2.11.0/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_bind_address = x.x.x.x smtp_data_init_timeout = 240s smtp_data_xfer_timeout = 600s smtpd_recipient_limit = 210 smtpd_recipient_restrictions = check_policy_service inet:127.0.0.1:9999 smtpd_reject_unlisted_sender = yes transport_maps = unknown_local_recipient_reject_code = 550 virtual_alias_domains = cat /etc/postfix-sen/header_checks /^X-CHENGMAILHOST: (.*)$/ FILTER smtp:$1 POSTCONF -MF: smtp inet n - n - - smtpd pickup unix n - n 60 1 pickup cleanup unix n - n - 0 cleanup qmgr unix n - n 300 1 qmgr tlsmgr unix - - n 1000? 1 tlsmgr rewrite unix - - n - - trivial-rewrite bounce unix - - n - 0 bounce defer unix - - n - 0 bounce trace unix - - n - 0 bounce verify unix - - n - 1 verify flush unix n - n 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - n - - smtp relay unix - - n - - smtp showq unix n - n - - showq error unix - - n - - error retry unix - - n - - error discard unix - - n - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - n - - lmtp anvil unix - - n - 1 anvil scache unix - - n - 1 scache RELAY CONFIG: POSTCONF -N: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases authorized_submit_users = root bounce_queue_lifetime = 1d bounce_size_limit = 73400320 command_directory = /usr/sbin config_directory = /etc/postfix-sen16/ daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix-sen16 debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 header_checks = regexp:/etc/postfix/header_checks html_directory = no inet_interfaces = x.x.x.x inet_protocols = ipv4 mail_owner = postfix mailbox_size_limit = 73400321 mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man master_service_disable = maximal_backoff_time = 3600s maximal_queue_lifetime = 1d message_size_limit = 73400320 minimal_backoff_time = 1000s multi_instance_enable = yes multi_instance_group = mta multi_instance_name = postfix-sen16 mydestination = $myhostname, localhost.$mydomain, localhost myhostname = hostname mynetworks = /etc/postfix/network_table newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix-sen16 queue_run_delay = 1000s readme_directory = /usr/share/doc/postfix-2.11.0/README_FILES sample_directory = /usr/share/doc/postfix-2.11.0/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_bind_address = x.x.x.x smtp_connect_timeout = 300s smtp_data_xfer_timeout = 300s smtp_tls_security_level = may unknown_local_recipient_reject_code = 550 cat /etc/postfix/header_checks | grep -v '^#' /^Received:.+$/ IGNORE POSTCONF -MF: smtp inet n - n - - smtpd pickup unix n - n 60 1 pickup cleanup unix n - n - 0 cleanup qmgr unix n - n 300 1 qmgr tlsmgr unix - - n 1000? 1 tlsmgr rewrite unix - - n - - trivial-rewrite bounce unix - - n - 0 bounce defer unix - - n - 0 bounce trace unix - - n - 0 bounce verify unix - - n - 1 verify flush unix n - n 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - n - - smtp relay unix - - n - - smtp showq unix n - n - - showq error unix - - n - - error retry unix - - n - - error discard unix - - n - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - n - - lmtp anvil unix - - n - 1 anvil scache unix - - n - 1 scache please help us thanks Links: ------ [1] https://www.mail-archive.com/postfix-users@postfix.org/msg99219.html
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