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=, size=56791841, nrcpt=1 (queue active)
May 16 08:41:31 smtp3 postfix-sen/smtp[10076]: 3420CA2062F:
to=, 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 =
mynetworks = x.x.x.x, 127.0.0.1
myorigin = xx
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:
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 =
