我的服务器从昨天开始向全世界发送垃圾邮件，我不知道为什么。它看起来像是 Netflix 的钓鱼邮件。
grep -H -i "sent" /var/log/mail.log
有此条目
/var/log/mail.log:Dec 13 14:07:34 v220200481250113989 postfix/lmtp[2695997]: 548F081B44: to=<[email protected]>, orig_to=<[email protected]>, relay=mail.MYDOMAIN.TLD[private/dovecot-lmtp], delay=0.23, delays=0.22/0/0/0.01, dsn=2.0.0, status=sent (250 2.0.0 <[email protected]> qO3tIRYS1l8/IykApp9Wtg Saved)
/var/log/mail.log:Dec 13 14:07:41 v220200481250113989 postfix/lmtp[2695997]: C674181B44: to=<[email protected]>, orig_to=<[email protected]>, relay=mail.MYDOMAIN.TLD[private/dovecot-lmtp], delay=0.19, delays=0.18/0/0/0.01, dsn=2.0.0, status=sent (250 2.0.0 <[email protected]> yIsbOx0S1l8/IykApp9Wtg Saved)
/var/log/mail.log:Dec 13 14:07:57 v220200481250113989 postfix/lmtp[2695997]: C9CAB81B44: to=<[email protected]>, orig_to=<[email protected]>, relay=mail.MYDOMAIN.TLD[private/dovecot-lmtp], delay=0.17, delays=0.15/0/0/0.02, dsn=2.0.0, status=sent (250 2.0.0 <[email protected]> 4M4qOi0S1l8/IykApp9Wtg Saved)
/var/log/mail.log:Dec 13 14:08:50 v220200481250113989 postfix/lmtp[2695997]: 2CF2481B44: to=<[email protected]>, orig_to=<[email protected]>, relay=mail.MYDOMAIN.TLD[private/dovecot-lmtp], delay=0.13, delays=0.06/0.06/0/0.01, dsn=2.0.0, status=sent (250 2.0.0 <[email protected]> MF0VEmIS1l8/IykApp9Wtg Saved)
这是我的 main.cf
# This file was automatically installed on 2020-07-26T22:12:31.069482
inet_interfaces = all
inet_protocols = ipv4
myhostname = mail.MYDOMAIN.TLD
myorigin = $myhostname
mydestination = $myhostname
mynetworks = 127.0.0.0/8
smtpd_banner = $myhostname ESMTP
biff = no
unknown_local_recipient_reject_code = 550
unverified_recipient_reject_code = 550
# appending .domain is the MUA's job.
append_dot_mydomain = no
readme_directory = no
mailbox_size_limit = 0
message_size_limit = 52428800
recipient_delimiter = +
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
## Proxy maps
proxy_read_maps =
proxy:unix:passwd.byname
proxy:pgsql:/etc/postfix/sql-domains.cf
proxy:pgsql:/etc/postfix/sql-domain-aliases.cf
proxy:pgsql:/etc/postfix/sql-aliases.cf
proxy:pgsql:/etc/postfix/sql-relaydomains.cf
proxy:pgsql:/etc/postfix/sql-maintain.cf
proxy:pgsql:/etc/postfix/sql-relay-recipient-verification.cf
proxy:pgsql:/etc/postfix/sql-sender-login-map.cf
proxy:pgsql:/etc/postfix/sql-spliteddomains-transport.cf
proxy:pgsql:/etc/postfix/sql-transport.cf
## TLS settings
#
smtpd_use_tls = yes
smtpd_tls_auth_only = no
smtpd_tls_CApath = /etc/ssl/certs
smtpd_tls_key_file = /etc/letsencrypt/live/mail.MYDOMAIN.TLD/privkey.pem
smtpd_tls_cert_file = /etc/letsencrypt/live/mail.MYDOMAIN.TLD/fullchain.pem
smtpd_tls_dh1024_param_file = ${config_directory}/dh2048.pem
smtpd_tls_loglevel = 1
smtpd_tls_session_cache_database = btree:$data_directory/smtpd_tls_session_cache
smtpd_tls_security_level = may
smtpd_tls_received_header = yes
# Disallow SSLv2 and SSLv3, only accept secure ciphers
smtpd_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_ciphers = high
smtpd_tls_mandatory_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
smtpd_tls_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
# Enable elliptic curve cryptography
smtpd_tls_eecdh_grade = strong
# Use TLS if this is supported by the remote SMTP server, otherwise use plaintext.
smtp_tls_CApath = /etc/ssl/certs
smtp_tls_security_level = may
smtp_tls_loglevel = 1
smtp_tls_exclude_ciphers = EXPORT, LOW
## Virtual transport settings
#
virtual_transport = lmtp:unix:private/dovecot-lmtp
virtual_mailbox_domains = proxy:pgsql:/etc/postfix/sql-domains.cf
virtual_alias_domains = proxy:pgsql:/etc/postfix/sql-domain-aliases.cf
virtual_alias_maps =
proxy:pgsql:/etc/postfix/sql-aliases.cf
## Relay domains
#
relay_domains =
proxy:pgsql:/etc/postfix/sql-relaydomains.cf
transport_maps =
proxy:pgsql:/etc/postfix/sql-transport.cf
proxy:pgsql:/etc/postfix/sql-spliteddomains-transport.cf
## SASL authentication through Dovecot
#
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_security_options = noanonymous
## SMTP session policies
#
# We require HELO to check it later
smtpd_helo_required = yes
# We do not let others find out which recipients are valid
disable_vrfy_command = yes
# MTA to MTA communication on Port 25. We expect (!) the other party to
# specify messages as required by RFC 821.
strict_rfc821_envelopes = yes
# Verify cache setup
address_verify_map = proxy:btree:$data_directory/verify_cache
proxy_write_maps =
$smtp_sasl_auth_cache_name
$lmtp_sasl_auth_cache_name
$address_verify_map
# OpenDKIM setup
smtpd_milters = inet:127.0.0.1:12345
non_smtpd_milters = inet:127.0.0.1:12345
milter_default_action = accept
milter_content_timeout = 30s
# List of authorized senders
smtpd_sender_login_maps =
proxy:pgsql:/etc/postfix/sql-sender-login-map.cf
# Recipient restriction rules
smtpd_sender_restrictions =
reject_unknown_sender_domain
reject_sender_login_mismatch
smtpd_recipient_restrictions =
permit_mynetworks
permit_sasl_authenticated
check_recipient_access
proxy:pgsql:/etc/postfix/sql-maintain.cf
proxy:pgsql:/etc/postfix/sql-relay-recipient-verification.cf
reject_unverified_recipient
reject_unauth_destination
reject_non_fqdn_sender
reject_non_fqdn_recipient
reject_non_fqdn_helo_hostname
## Postcreen settings
#
postscreen_access_list =
permit_mynetworks
cidr:/etc/postfix/postscreen_spf_whitelist.cidr
postscreen_blacklist_action = enforce
# Use some DNSBL
postscreen_dnsbl_sites =
zen.spamhaus.org*3
bl.spameatingmonkey.net*2
bl.spamcop.net
dnsbl.sorbs.net
postscreen_dnsbl_threshold = 3
postscreen_dnsbl_action = enforce
postscreen_greet_banner = Welcome, please wait...
postscreen_greet_action = enforce
postscreen_pipelining_enable = yes
postscreen_pipelining_action = enforce
postscreen_non_smtp_command_enable = yes
postscreen_non_smtp_command_action = enforce
postscreen_bare_newline_enable = yes
postscreen_bare_newline_action = enforce
这是我的 master.cf
# This file was automatically installed on 2020-07-26T22:12:31.069815
#
# Postfix master process configuration file. For details on the format
# of the file, see the master(5) manual page (command: "man 5 master" or
# on-line: http://www.postfix.org/master.5.html).
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (yes) (never) (100)
# ==========================================================================
smtp inet n - - - 1 postscreen
smtpd pass - - - - - smtpd
-o smtpd_proxy_filter=inet:[127.0.0.1]:10024
-o smtpd_proxy_options=speed_adjust
dnsblog unix - - - - 0 dnsblog
tlsproxy unix - - - - 0 tlsproxy
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o tls_preempt_cipherlist=yes
-o smtpd_sasl_auth_enable=yes
-o smtpd_reject_unlisted_recipient=no
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=reject_sender_login_mismatch
-o milter_macro_daemon_name=ORIGINATING
-o smtpd_proxy_filter=inet:[127.0.0.1]:10026
#smtps inet n - - - - smtpd
# -o syslog_name=postfix/smtps
# -o smtpd_tls_wrappermode=yes
# -o smtpd_sasl_auth_enable=yes
# -o smtpd_reject_unlisted_recipient=no
# -o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
# -o smtpd_sender_restrictions=$mua_sender_restrictions
# -o smtpd_recipient_restrictions=
# -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
# -o milter_macro_daemon_name=ORIGINATING
#628 inet n - - - - qmqpd
pickup unix n - - 60 1 pickup
cleanup unix n - - - 0 cleanup
qmgr unix n - n 300 1 qmgr
#qmgr unix n - n 300 1 oqmgr
tlsmgr unix - - - 1000? 1 tlsmgr
rewrite unix - - - - - trivial-rewrite
bounce unix - - - - 0 bounce
defer unix - - - - 0 bounce
trace unix - - - - 0 bounce
verify unix - - - - 1 verify
flush unix n - - 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - - - - smtp
relay unix - - - - - smtp
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq unix n - - - - showq
error unix - - - - - error
retry unix - - - - - error
discard unix - - - - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - - - - lmtp
anvil unix - - - - 1 anvil
scache unix - - - - 1 scache
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent. See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
# lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
# mailbox_transport = lmtp:inet:localhost
# virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus unix - n n - - pipe
# user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
# Old example of delivery via Cyrus.
#
#old-cyrus unix - n n - - pipe
# flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
uucp unix - n n - - pipe
flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# Other external delivery methods.
#
ifmail unix - n n - - pipe
flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp unix - n n - - pipe
flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix - n n - 2 pipe
flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
mailman unix - n n - - pipe
flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
${nexthop} ${user}
# Modoboa autoreply service
#
autoreply unix - n n - - pipe
flags= user=vmail:vmail argv=/srv/modoboa/env/bin/python /srv/modoboa/instance/manage.py autoreply $sender $mailbox
# Amavis return path
#
127.0.0.1:10025 inet n - n - - smtpd
-o content_filter=
-o smtpd_authorized_xforward_hosts=127.0.0.0/8
-o smtpd_delay_reject=no
-o smtpd_client_restrictions=permit_mynetworks,reject
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o smtpd_data_restrictions=reject_unauth_pipelining
-o smtpd_end_of_data_restrictions=
-o smtpd_restriction_classes=
-o mynetworks=127.0.0.0/8
-o smtpd_error_sleep_time=0
-o smtpd_soft_error_limit=1001
-o smtpd_hard_error_limit=1000
-o smtpd_client_connection_count_limit=0
-o smtpd_client_connection_rate_limit=0
-o receive_override_options=no_header_body_checks,no_unknown_recipient_checks
-o local_header_rewrite_clients=
cat /var/log/mail.log | grep "postfix/smtp"
Dec 13 16:41:19 v220200481250113989 postfix/smtpd[2724317]: warning: hostname mail-cy1gcc01bn2027.outbound.protection.outlook.com does not resolve to address 52.100.19.27: Name or service not known
Dec 13 16:41:19 v220200481250113989 postfix/smtpd[2724317]: connect from unknown[52.100.19.27]
Dec 13 16:41:19 v220200481250113989 postfix/smtpd[2724317]: Anonymous TLS connection established from unknown[52.100.19.27]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Dec 13 16:41:19 v220200481250113989 postfix/smtpd[2724317]: NOQUEUE: client=unknown[52.100.19.27]
Dec 13 16:41:23 v220200481250113989 postfix/smtpd[2724352]: connect from localhost[127.0.0.1]
Dec 13 16:41:23 v220200481250113989 postfix/smtpd[2724352]: 6FD7481B44: client=localhost[127.0.0.1], orig_client=unknown[52.100.19.27]
Dec 13 16:41:23 v220200481250113989 postfix/smtpd[2724352]: disconnect from localhost[127.0.0.1] ehlo=1 xforward=1 mail=1 rcpt=1 data=1 quit=1 commands=6
Dec 13 16:41:23 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 6FD7481B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR04-VI1-obe.outbound.protection.outlook.com>
Dec 13 16:41:23 v220200481250113989 postfix/smtpd[2724317]: disconnect from unknown[52.100.19.27] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7
Dec 13 16:41:48 v220200481250113989 postfix/smtpd[2724317]: connect from mail-db3eur04hn0239.outbound.protection.outlook.com[52.100.17.239]
Dec 13 16:41:48 v220200481250113989 postfix/smtpd[2724317]: Anonymous TLS connection established from mail-db3eur04hn0239.outbound.protection.outlook.com[52.100.17.239]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Dec 13 16:41:48 v220200481250113989 postfix/smtpd[2724317]: NOQUEUE: client=mail-db3eur04hn0239.outbound.protection.outlook.com[52.100.17.239]
Dec 13 16:41:52 v220200481250113989 postfix/smtpd[2724352]: connect from localhost[127.0.0.1]
Dec 13 16:41:52 v220200481250113989 postfix/smtpd[2724352]: 4675481B44: client=localhost[127.0.0.1], orig_client=mail-db3eur04hn0239.outbound.protection.outlook.com[52.100.17.239]
Dec 13 16:41:52 v220200481250113989 postfix/smtpd[2724352]: disconnect from localhost[127.0.0.1] ehlo=1 xforward=1 mail=1 rcpt=1 data=1 quit=1 commands=6
Dec 13 16:41:52 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 4675481B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR04-DB3-obe.outbound.protection.outlook.com>
Dec 13 16:41:52 v220200481250113989 postfix/smtpd[2724317]: disconnect from mail-db3eur04hn0239.outbound.protection.outlook.com[52.100.17.239] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7
Dec 13 16:42:14 v220200481250113989 postfix/smtpd[2724317]: connect from mail-he1eur04hn0243.outbound.protection.outlook.com[52.100.18.243]
Dec 13 16:42:14 v220200481250113989 postfix/smtpd[2724317]: Anonymous TLS connection established from mail-he1eur04hn0243.outbound.protection.outlook.com[52.100.18.243]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Dec 13 16:42:14 v220200481250113989 postfix/smtpd[2724317]: NOQUEUE: client=mail-he1eur04hn0243.outbound.protection.outlook.com[52.100.18.243]
Dec 13 16:42:18 v220200481250113989 postfix/smtpd[2724352]: connect from localhost[127.0.0.1]
Dec 13 16:42:18 v220200481250113989 postfix/smtpd[2724352]: 8E1DC81B44: client=localhost[127.0.0.1], orig_client=mail-he1eur04hn0243.outbound.protection.outlook.com[52.100.18.243]
Dec 13 16:42:18 v220200481250113989 postfix/smtpd[2724352]: disconnect from localhost[127.0.0.1] ehlo=1 xforward=1 mail=1 rcpt=1 data=1 quit=1 commands=6
Dec 13 16:42:18 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 8E1DC81B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR04-HE1-obe.outbound.protection.outlook.com>
Dec 13 16:42:18 v220200481250113989 postfix/smtpd[2724317]: disconnect from mail-he1eur04hn0243.outbound.protection.outlook.com[52.100.18.243] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7
Dec 13 16:42:22 v220200481250113989 postfix/smtpd[2724317]: connect from mail-db5eur01hn2219.outbound.protection.outlook.com[52.100.6.219]
Dec 13 16:42:22 v220200481250113989 postfix/smtpd[2724317]: Anonymous TLS connection established from mail-db5eur01hn2219.outbound.protection.outlook.com[52.100.6.219]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Dec 13 16:42:22 v220200481250113989 postfix/smtpd[2724317]: NOQUEUE: client=mail-db5eur01hn2219.outbound.protection.outlook.com[52.100.6.219]
Dec 13 16:42:26 v220200481250113989 postfix/smtpd[2724352]: connect from localhost[127.0.0.1]
Dec 13 16:42:26 v220200481250113989 postfix/smtpd[2724352]: 5C97481B44: client=localhost[127.0.0.1], orig_client=mail-db5eur01hn2219.outbound.protection.outlook.com[52.100.6.219]
Dec 13 16:42:26 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 5C97481B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR01-DB5-obe.outbound.protection.outlook.com>
Dec 13 16:42:26 v220200481250113989 postfix/smtpd[2724317]: disconnect from mail-db5eur01hn2219.outbound.protection.outlook.com[52.100.6.219] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7
Dec 13 16:42:35 v220200481250113989 postfix/smtpd[2724317]: connect from mail-db5eur03hn2225.outbound.protection.outlook.com[52.100.12.225]
Dec 13 16:42:35 v220200481250113989 postfix/smtpd[2724317]: Anonymous TLS connection established from mail-db5eur03hn2225.outbound.protection.outlook.com[52.100.12.225]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Dec 13 16:42:35 v220200481250113989 postfix/smtpd[2724317]: NOQUEUE: client=mail-db5eur03hn2225.outbound.protection.outlook.com[52.100.12.225]
Dec 13 16:42:39 v220200481250113989 postfix/smtpd[2724352]: 386A981B44: client=localhost[127.0.0.1], orig_client=mail-db5eur03hn2225.outbound.protection.outlook.com[52.100.12.225]
Dec 13 16:42:39 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 386A981B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR03-DB5-obe.outbound.protection.outlook.com>
Dec 13 16:42:39 v220200481250113989 postfix/smtpd[2724317]: disconnect from mail-db5eur03hn2225.outbound.protection.outlook.com[52.100.12.225] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7
Dec 13 16:42:52 v220200481250113989 postfix/smtpd[2724317]: connect from mail-am6eur05hn2237.outbound.protection.outlook.com[52.100.174.237]
Dec 13 16:42:52 v220200481250113989 postfix/smtpd[2724317]: Anonymous TLS connection established from mail-am6eur05hn2237.outbound.protection.outlook.com[52.100.174.237]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Dec 13 16:42:52 v220200481250113989 postfix/smtpd[2724317]: NOQUEUE: client=mail-am6eur05hn2237.outbound.protection.outlook.com[52.100.174.237]
Dec 13 16:42:55 v220200481250113989 postfix/smtpd[2724352]: ADC6C81B44: client=localhost[127.0.0.1], orig_client=mail-am6eur05hn2237.outbound.protection.outlook.com[52.100.174.237]
Dec 13 16:42:55 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as ADC6C81B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR05-AM6-obe.outbound.protection.outlook.com>
Dec 13 16:42:55 v220200481250113989 postfix/smtpd[2724317]: disconnect from mail-am6eur05hn2237.outbound.protection.outlook.com[52.100.174.237] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7
Dec 13 16:42:58 v220200481250113989 postfix/smtpd[2724317]: connect from mail-ve1eur01hn2225.outbound.protection.outlook.com[52.100.7.225]
Dec 13 16:42:58 v220200481250113989 postfix/smtpd[2724317]: Anonymous TLS connection established from mail-ve1eur01hn2225.outbound.protection.outlook.com[52.100.7.225]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Dec 13 16:42:58 v220200481250113989 postfix/smtpd[2724317]: NOQUEUE: client=mail-ve1eur01hn2225.outbound.protection.outlook.com[52.100.7.225]
Dec 13 16:43:01 v220200481250113989 postfix/smtpd[2724352]: C64E481B44: client=localhost[127.0.0.1], orig_client=mail-ve1eur01hn2225.outbound.protection.outlook.com[52.100.7.225]
Dec 13 16:43:02 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as C64E481B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR01-VE1-obe.outbound.protection.outlook.com>
Dec 13 16:43:02 v220200481250113989 postfix/smtpd[2724317]: disconnect from mail-ve1eur01hn2225.outbound.protection.outlook.com[52.100.7.225] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7
grep 5C97481B44 /var/log/mail.log
Dec 13 16:42:26 v220200481250113989 postfix/smtpd[2724352]: 5C97481B44: client=localhost[127.0.0.1], orig_client=mail-db5eur01hn2219.outbound.protection.outlook.com[52.100.6.219]
Dec 13 16:42:26 v220200481250113989 postfix/cleanup[2724293]: 5C97481B44: message-id=<ef48be11-43ae-45c1-b85a-5802aeddc443@AM0PR06MB4228.eurprd06.prod.outlook.com>
Dec 13 16:42:26 v220200481250113989 opendkim[1485]: 5C97481B44: no signing table match for '[email protected]'
Dec 13 16:42:26 v220200481250113989 opendkim[1485]: 5C97481B44: signature=n/tVvyjz domain=bagirgroup.onmicrosoft.com selector=selector2-bagirgroup-onmicrosoft-com result="no signature error"
Dec 13 16:42:26 v220200481250113989 opendkim[1485]: 5C97481B44: DKIM verification successful
Dec 13 16:42:26 v220200481250113989 opendkim[1485]: 5C97481B44: s=selector2-bagirgroup-onmicrosoft-com d=bagirgroup.onmicrosoft.com a=rsa-sha256 SSL
Dec 13 16:42:26 v220200481250113989 postfix/qmgr[2724281]: 5C97481B44: from=<>, size=90649, nrcpt=1 (queue active)
Dec 13 16:42:26 v220200481250113989 amavis[2697255]: (2697255-15) Passed CLEAN {RelayedInbound}, [52.100.6.219]:53760 [52.100.6.219] <> -> <[email protected]>, Message-ID: <ef48be11-43ae-45c1-b85a-5802aeddc443@am0pr06mb4228.eurprd06.prod.outlook.com>, mail_id: waxgkYX0CzYk, Hits: 1.539, size: 90045, queued_as: 5C97481B44, dkim_sd=selector2-bagirgroup-onmicrosoft-com:bagirgroup.onmicrosoft.com, 3620 ms
Dec 13 16:42:26 v220200481250113989 postfix/lmtp[2724353]: 5C97481B44: to=<[email protected]>, relay=mail.MYDOMAIN.TLD[private/dovecot-lmtp], delay=0.17, delays=0.16/0/0.01/0, dsn=5.1.1, status=bounced (host mail.MYDOMAIN.TLD[private/dovecot-lmtp] said: 550 5.1.1 <[email protected]> User doesn't exist: [email protected] (in reply to RCPT TO command))
Dec 13 16:42:26 v220200481250113989 postfix/qmgr[2724281]: 5C97481B44: removed
Dec 13 16:42:26 v220200481250113989 postfix/smtpd[2724317]: proxy-accept: END-OF-MESSAGE: 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 5C97481B44; from=<> to=<[email protected]> proto=ESMTP helo=<EUR01-DB5-obe.outbound.protection.outlook.com>
这可能是什么问题？我该如何解决？