Sep 15 17:08:07 ecm-68c5 postfix/smtpd[27775]: connect from xmbgsz5.mail.qq.com[113.108.92.106] Sep 15 17:08:07 ecm-68c5 postfix/cleanup[27780]: 86E59A7E4FA8: message-id=<20260915090807.86E59A7E4FA8@ecm-68c5> Sep 15 17:08:07 ecm-68c5 postfix/qmgr[27743]: 86E59A7E4FA8: from=<double-bounce@ecm-68c5>, size=903, nrcpt=1 (queue active) Sep 15 17:08:07 ecm-68c5 postfix/smtpd[27775]: disconnect from xmbgsz5.mail.qq.com[113.108.92.106] ehlo=1 starttls=0/1 quit=1 commands=2/3 Sep 15 17:08:07 ecm-68c5 postfix/smtp[27782]: 86E59A7E4FA8: to=<postmaster@ecm-68c5>, orig_to=<postmaster>, relay=none, delay=0.01, delays=0/0/0/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service error for name=ecm-68c5 type=AAAA: Host not found) Sep 15 17:08:07 ecm-68c5 postfix/bounce[27783]: warning: 86E59A7E4FA8: undeliverable postmaster notification discarded Sep 15 17:08:07 ecm-68c5 postfix/qmgr[27743]: 86E59A7E4FA8: removed Sep 15 17:08:07 ecm-68c5 postfix/smtpd[27775]: connect from xmbgsz5.mail.qq.com[113.108.92.106] Sep 15 17:08:07 ecm-68c5 postfix/cleanup[27780]: A93AFA7E4FA8: message-id=<20260915090807.A93AFA7E4FA8@ecm-68c5> Sep 15 17:08:07 ecm-68c5 postfix/qmgr[27743]: A93AFA7E4FA8: from=<double-bounce@ecm-68c5>, size=903, nrcpt=1 (queue active) Sep 15 17:08:07 ecm-68c5 postfix/smtpd[27775]: disconnect from xmbgsz5.mail.qq.com[113.108.92.106] ehlo=1 starttls=0/1 quit=1 commands=2/3 Sep 15 17:08:07 ecm-68c5 postfix/smtp[27782]: A93AFA7E4FA8: to=<postmaster@ecm-68c5>, orig_to=<postmaster>, relay=none, delay=0.01, delays=0/0/0/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service error for name=ecm-68c5 type=AAAA: Host not found) Sep 15 17:08:07 ecm-68c5 postfix/bounce[27783]: warning: A93AFA7E4FA8: undeliverable postmaster notification discarded Sep 15 17:08:07 ecm-68c5 postfix/qmgr[27743]: A93AFA7E4FA8: removed Sep 15 17:08:07 ecm-68c5 postfix/smtpd[27775]: connect from xmbgsz5.mail.qq.com[113.108.92.106] Sep 15 17:08:07 ecm-68c5 postfix/smtpd[27775]: DB82EA7E4FA8: client=xmbgsz5.mail.qq.com[113.108.92.106] Sep 15 17:08:07 ecm-68c5 postfix/cleanup[27780]: DB82EA7E4FA8: message-id=<tencent_23ACB4E2EA3F02A3DBD62C21EAF668901806@qq.com> Sep 15 17:08:10 ecm-68c5 postfix/qmgr[27743]: DB82EA7E4FA8: from=<weixinmphelper@tencent.com>, size=25004, nrcpt=1 (queue active) Sep 15 17:08:10 ecm-68c5 dovecot: lmtp(27807): Connect from local Sep 15 17:08:10 ecm-68c5 dovecot: auth-worker(27809): Error: sql(test@xxx.com): User query failed: SQL logic error or missing database Sep 15 17:08:10 ecm-68c5 dovecot: auth-worker(27809): Warning: sqlite: finalize failed: database schema has changed (17) Sep 15 17:08:10 ecm-68c5 dovecot: lmtp(27807): user-lookup(test@xxx.com)Error: user test@xxx.com: Auth USER lookup failed Sep 15 17:08:10 ecm-68c5 postfix/lmtp[27806]: DB82EA7E4FA8: to=<test@xxx.com>, relay=ecm-68c5[private/dovecot-lmtp], delay=2.9, delays=2.8/0/0/0.01, dsn=4.3.0, status=deferred (host ecm-68c5[private/dovecot-lmtp] said: 451 4.3.0 <test@xxx.com> Internal error occurred. Refer to server log for more information. (in reply to RCPT TO command)) Sep 15 17:08:10 ecm-68c5 dovecot: lmtp(27807): Disconnect from local: Successful quit Sep 15 17:08:10 ecm-68c5 postfix/smtpd[27775]: disconnect from xmbgsz5.mail.qq.com[113.108.92.106] helo=1 mail=1 rcpt=1 data=1 quit=1 commands=5 Sep 15 17:10:07 ecm-68c5 postfix/smtpd[28481]: warning: No server certs available. TLS won't be enabled Sep 15 17:10:07 ecm-68c5 postfix/smtpd[28481]: connect from unknown[91.92.240.92] Sep 15 17:10:10 ecm-68c5 postfix/smtpd[28481]: warning: unknown[91.92.240.92]: SASL LOGIN authentication failed: UGFzc3dvcmQ6, sasl_username=spam Sep 15 17:10:10 ecm-68c5 postfix/smtpd[28481]: disconnect from unknown[91.92.240.92] ehlo=1 auth=0/1 quit=1 commands=2/3 Sep 15 17:13:30 ecm-68c5 postfix/anvil[27778]: statistics: max connection rate 3/60s for (smtp:113.108.92.113) at Sep 15 17:07:38 Sep 15 17:13:30 ecm-68c5 postfix/anvil[27778]: statistics: max connection count 1 for (smtp:113.108.92.113) at Sep 15 17:07:37 Sep 15 17:13:30 ecm-68c5 postfix/anvil[27778]: statistics: max cache size 2 at Sep 15 17:08:07 Sep 15 17:15:58 ecm-68c5 postfix/qmgr[27743]: DB82EA7E4FA8: from=<weixinmphelper@tencent.com>, size=25004, nrcpt=1 (queue active) Sep 15 17:15:58 ecm-68c5 dovecot: lmtp(30110): Connect from local Sep 15 17:15:58 ecm-68c5 dovecot: lmtp(test@xxx.com): aBs5As4MqWqedQAAgrv8vw: sieve: msgid=<tencent_23ACB4E2EA3F02A3DBD62C21EAF668901806@qq.com>: stored mail into mailbox 'INBOX' Sep 15 17:15:58 ecm-68c5 postfix/lmtp[30109]: DB82EA7E4FA8: to=<test@xxx.com>, relay=ecm-68c5[private/dovecot-lmtp], delay=470, delays=470/0.01/0.01/0.03, dsn=2.0.0, status=sent (250 2.0.0 <test@xxx.com> aBs5As4MqWqedQAAgrv8vw Saved) Sep 15 17:15:58 ecm-68c5 dovecot: lmtp(30110): Disconnect from local: Successful quit Sep 15 17:15:58 ecm-68c5 postfix/qmgr[27743]: DB82EA7E4FA8: removed