==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.2
- Deployed with iRedMail Easy or the downloadable installer?
no
- Linux/BSD distribution name and version: centos st 8
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx):Nginx
- Manage mail accounts with iRedAdmin-Pro?no
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Mar  7 23:25:28 mail postfix/postqueue[29050]: fatal: Queue report unavailable - mail system is down
Mar  7 23:30:42 mail clamd[899]: Received 0 file descriptor(s) from systemd.
Mar  7 23:30:42 mail clamd[899]: clamd daemon 0.103.8 (OS: linux-gnu, ARCH: x86_64, CPU: x86_64)
Mar  7 23:30:42 mail clamd[899]: Log file size limited to 1048576 bytes.
Mar  7 23:30:42 mail clamd[899]: Reading databases from /var/lib/clamav
Mar  7 23:30:42 mail clamd[899]: Not loading PUA signatures.
Mar  7 23:30:42 mail clamd[899]: Bytecode: Security mode set to "TrustSigned".
Mar  7 23:30:45 mail postfix/postfix-script[1546]: starting the Postfix mail system
Mar  7 23:30:45 mail postfix/master[1554]: daemon started -- version 3.5.8, configuration /etc/postfix
Mar  7 23:30:45 mail amavis[868]: starting. /usr/sbin/amavisd at mail.5xiw.com amavisd-new-2.12.1 (20201113), Unicode aware, LANG="en_US.UTF-8"
Mar  7 23:30:45 mail amavis[868]: perl=5.026003, user=, EUID: 983 (983);  group=, EGID: 978 978 (978 978)
Mar  7 23:30:47 mail amavis[1915]: Net::Server: Group Not Defined.  Defaulting to EGID '978 978'
Mar  7 23:30:47 mail amavis[1915]: Net::Server: User Not Defined.  Defaulting to EUID '983'
Mar  7 23:30:47 mail amavis[1915]: No ext program for   .lrz, tried: lrzip -q -k -d -o -, lrzcat -q -k
Mar  7 23:30:47 mail amavis[1915]: No ext program for   .rar, tried: unrar, rar
Mar  7 23:30:47 mail amavis[1915]: No decoder for       .lrz
Mar  7 23:30:47 mail amavis[1915]: Using primary internal av scanner code for clamav-socket
Mar  7 23:31:05 mail clamd[899]: Loaded 8656468 signatures.
Mar  7 23:31:08 mail clamd[899]: LOCAL: Unix socket file /var/run/clamd.amavisd/clamd.socket
Mar  7 23:31:08 mail clamd[899]: LOCAL: Setting connection queue length to 200
Mar  7 23:31:08 mail clamd[899]: Limits: Global time limit set to 120000 milliseconds.
Mar  7 23:31:08 mail clamd[899]: Limits: Global size limit set to 104857600 bytes.
Mar  7 23:31:08 mail clamd[899]: Limits: File size limit set to 26214400 bytes.
Mar  7 23:31:08 mail clamd[899]: Limits: Recursion level limit set to 17.
Mar  7 23:31:08 mail clamd[899]: Limits: Files limit set to 10000.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxEmbeddedPE limit set to 10485760 bytes.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxHTMLNormalize limit set to 10485760 bytes.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxHTMLNoTags limit set to 2097152 bytes.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxScriptNormalize limit set to 5242880 bytes.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxZipTypeRcg limit set to 1048576 bytes.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxPartitions limit set to 50.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxIconsPE limit set to 100.
Mar  7 23:31:08 mail clamd[899]: Limits: MaxRecHWP3 limit set to 16.
Mar  7 23:31:08 mail clamd[899]: Limits: PCREMatchLimit limit set to 100000.
Mar  7 23:31:08 mail clamd[899]: Limits: PCRERecMatchLimit limit set to 2000.
Mar  7 23:31:08 mail clamd[899]: Limits: PCREMaxFileSize limit set to 26214400.
Mar  7 23:31:08 mail clamd[899]: Archive support enabled.
Mar  7 23:31:08 mail clamd[899]: AlertExceedsMax heuristic detection disabled.
Mar  7 23:31:08 mail clamd[899]: Heuristic alerts enabled.
Mar  7 23:31:08 mail clamd[899]: Portable Executable support enabled.
Mar  7 23:31:08 mail clamd[899]: ELF support enabled.
Mar  7 23:31:08 mail clamd[899]: Mail files support enabled.
Mar  7 23:31:08 mail clamd[899]: OLE2 support enabled.
Mar  7 23:31:08 mail clamd[899]: PDF support enabled.
Mar  7 23:31:08 mail clamd[899]: SWF support enabled.
Mar  7 23:31:08 mail clamd[899]: HTML support enabled.
Mar  7 23:31:08 mail clamd[899]: XMLDOCS support enabled.
Mar  7 23:31:08 mail clamd[899]: HWP3 support enabled.
Mar  7 23:31:08 mail clamd[899]: Self checking every 600 seconds.
Mar  7 23:34:16 mail postfix/postscreen[12969]: cache btree:/var/lib/postfix/postscreen_cache full cleanup: retained=0 dropped=0 entries
Mar  7 23:34:16 mail postfix/postscreen[12969]: CONNECT from [180.214.239.18]:9658 to [192.168.32.4]:25
Mar  7 23:34:17 mail postfix/postscreen[12969]: PREGREET 11 after 0.4 from [180.214.239.18]:9658: EHLO User\r\n
Mar  7 23:34:17 mail postfix/postscreen[12969]: DISCONNECT [180.214.239.18]:9658
Mar  7 23:34:17 mail postfix/dnsblog[12971]: addr 180.214.239.18 listed by domain zen.spamhaus.org as 127.0.0.4
Mar  7 23:34:17 mail postfix/dnsblog[12971]: addr 180.214.239.18 listed by domain zen.spamhaus.org as 127.0.0.2
Mar  7 23:39:26 mail postfix/postfix-script[31433]: refreshing the Postfix mail system
Mar  7 23:39:26 mail postfix/master[1554]: reload -- version 3.5.8, configuration /etc/postfix
Mar  7 23:40:58 mail roundcube[958]: <k40vdbfe> Successful login for postmaster@5xiw.com (ID: 1) from 103.136.185.177 in session k40vdbfe2jbalkmu
Mar  7 23:41:08 mail clamd[899]: SelfCheck: Database status OK.
Mar  7 23:41:16 mail postfix/submission/smtpd[37282]: connect from localhost[127.0.0.1]
Mar  7 23:41:16 mail postfix/submission/smtpd[37282]: discarding EHLO keywords: CHUNKING
Mar  7 23:41:16 mail postfix/submission/smtpd[37282]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  7 23:41:16 mail postfix/submission/smtpd[37282]: discarding EHLO keywords: CHUNKING
Mar  7 23:41:16 mail postfix/submission/smtpd[37282]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:41:16 mail postfix/submission/smtpd[37282]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:41:17 mail postfix/submission/smtpd[37282]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:41:17 mail postfix/submission/smtpd[37282]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:41:17 mail postfix/submission/smtpd[37282]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  7 23:41:17 mail roundcube[965]: <k40vdbfe> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678203676709&_framed=1&_action=send)
Mar  7 23:41:17 mail roundcube[965]: <k40vdbfe> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678203676709&_framed=1&_action=send)
Mar  7 23:41:17 mail postfix/submission/smtpd[37282]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  7 23:41:30 mail clamd[899]: Pid file removed.
Mar  7 23:41:30 mail clamd[899]: --- Stopped at Tue Mar  7 23:41:30 2023
Mar  7 23:41:30 mail clamd[899]: Socket file removed.
Mar  7 23:41:30 mail postfix/postfix-script[38248]: stopping the Postfix mail system
Mar  7 23:41:30 mail postfix/master[1554]: terminating on signal 15
Mar  7 23:41:48 mail clamd[873]: Received 0 file descriptor(s) from systemd.
Mar  7 23:41:48 mail clamd[873]: clamd daemon 0.103.8 (OS: linux-gnu, ARCH: x86_64, CPU: x86_64)
Mar  7 23:41:48 mail clamd[873]: Log file size limited to 1048576 bytes.
Mar  7 23:41:48 mail clamd[873]: Reading databases from /var/lib/clamav
Mar  7 23:41:48 mail clamd[873]: Not loading PUA signatures.
Mar  7 23:41:48 mail clamd[873]: Bytecode: Security mode set to "TrustSigned".
Mar  7 23:41:50 mail postfix/postfix-script[1454]: starting the Postfix mail system
Mar  7 23:41:50 mail postfix/master[1470]: daemon started -- version 3.5.8, configuration /etc/postfix
Mar  7 23:41:51 mail amavis[846]: starting. /usr/sbin/amavisd at mail.5xiw.com amavisd-new-2.12.1 (20201113), Unicode aware, LANG="en_US.UTF-8"
Mar  7 23:41:51 mail amavis[846]: perl=5.026003, user=, EUID: 983 (983);  group=, EGID: 978 978 (978 978)
Mar  7 23:41:53 mail amavis[1840]: Net::Server: Group Not Defined.  Defaulting to EGID '978 978'
Mar  7 23:41:53 mail amavis[1840]: Net::Server: User Not Defined.  Defaulting to EUID '983'
Mar  7 23:41:53 mail amavis[1840]: No ext program for   .lrz, tried: lrzip -q -k -d -o -, lrzcat -q -k
Mar  7 23:41:53 mail amavis[1840]: No ext program for   .rar, tried: unrar, rar
Mar  7 23:41:53 mail amavis[1840]: No decoder for       .lrz
Mar  7 23:41:53 mail amavis[1840]: Using primary internal av scanner code for clamav-socket
Mar  7 23:41:58 mail postfix/submission/smtpd[2524]: connect from localhost[127.0.0.1]
Mar  7 23:41:58 mail postfix/submission/smtpd[2524]: discarding EHLO keywords: CHUNKING
Mar  7 23:41:58 mail postfix/submission/smtpd[2524]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  7 23:41:58 mail postfix/submission/smtpd[2524]: discarding EHLO keywords: CHUNKING
Mar  7 23:41:59 mail postfix/submission/smtpd[2524]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:41:59 mail postfix/submission/smtpd[2524]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:42:00 mail postfix/submission/smtpd[2524]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:42:00 mail postfix/submission/smtpd[2524]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:42:00 mail postfix/submission/smtpd[2524]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  7 23:42:00 mail roundcube[942]: <k40vdbfe> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678203717866&_framed=1&_action=send)
Mar  7 23:42:00 mail roundcube[942]: <k40vdbfe> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678203717866&_framed=1&_action=send)
Mar  7 23:42:00 mail postfix/submission/smtpd[2524]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  7 23:42:11 mail clamd[873]: Loaded 8656468 signatures.
Mar  7 23:42:15 mail clamd[873]: LOCAL: Unix socket file /var/run/clamd.amavisd/clamd.socket
Mar  7 23:42:15 mail clamd[873]: LOCAL: Setting connection queue length to 200
Mar  7 23:42:15 mail clamd[873]: Limits: Global time limit set to 120000 milliseconds.
Mar  7 23:42:15 mail clamd[873]: Limits: Global size limit set to 104857600 bytes.
Mar  7 23:42:15 mail clamd[873]: Limits: File size limit set to 26214400 bytes.
Mar  7 23:42:15 mail clamd[873]: Limits: Recursion level limit set to 17.
Mar  7 23:42:15 mail clamd[873]: Limits: Files limit set to 10000.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxEmbeddedPE limit set to 10485760 bytes.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxHTMLNormalize limit set to 10485760 bytes.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxHTMLNoTags limit set to 2097152 bytes.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxScriptNormalize limit set to 5242880 bytes.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxZipTypeRcg limit set to 1048576 bytes.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxPartitions limit set to 50.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxIconsPE limit set to 100.
Mar  7 23:42:15 mail clamd[873]: Limits: MaxRecHWP3 limit set to 16.
Mar  7 23:42:15 mail clamd[873]: Limits: PCREMatchLimit limit set to 100000.
Mar  7 23:42:15 mail clamd[873]: Limits: PCRERecMatchLimit limit set to 2000.
Mar  7 23:42:15 mail clamd[873]: Limits: PCREMaxFileSize limit set to 26214400.
Mar  7 23:42:15 mail clamd[873]: Archive support enabled.
Mar  7 23:42:15 mail clamd[873]: AlertExceedsMax heuristic detection disabled.
Mar  7 23:42:15 mail clamd[873]: Heuristic alerts enabled.
Mar  7 23:42:15 mail clamd[873]: Portable Executable support enabled.
Mar  7 23:42:15 mail clamd[873]: ELF support enabled.
Mar  7 23:42:15 mail clamd[873]: Mail files support enabled.
Mar  7 23:42:15 mail clamd[873]: OLE2 support enabled.
Mar  7 23:42:15 mail clamd[873]: PDF support enabled.
Mar  7 23:42:15 mail clamd[873]: SWF support enabled.
Mar  7 23:42:15 mail clamd[873]: HTML support enabled.
Mar  7 23:42:15 mail clamd[873]: XMLDOCS support enabled.
Mar  7 23:42:15 mail clamd[873]: HWP3 support enabled.
Mar  7 23:42:15 mail clamd[873]: Self checking every 600 seconds.
Mar  7 23:42:19 mail postfix/submission/smtpd[2524]: connect from localhost[127.0.0.1]
Mar  7 23:42:19 mail postfix/submission/smtpd[2524]: discarding EHLO keywords: CHUNKING
Mar  7 23:42:19 mail postfix/submission/smtpd[2524]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  7 23:42:19 mail postfix/submission/smtpd[2524]: discarding EHLO keywords: CHUNKING
Mar  7 23:42:19 mail postfix/submission/smtpd[2524]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:42:19 mail postfix/submission/smtpd[2524]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:42:20 mail postfix/submission/smtpd[2524]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:42:20 mail postfix/submission/smtpd[2524]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:42:20 mail postfix/submission/smtpd[2524]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  7 23:42:20 mail roundcube[2485]: <k40vdbfe> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678203740035&_framed=1&_action=send)
Mar  7 23:42:20 mail roundcube[2485]: <k40vdbfe> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678203740035&_framed=1&_action=send)
Mar  7 23:42:20 mail postfix/submission/smtpd[2524]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  7 23:42:27 mail postfix/submission/smtpd[2524]: connect from localhost[127.0.0.1]
Mar  7 23:42:27 mail postfix/submission/smtpd[2524]: discarding EHLO keywords: CHUNKING
Mar  7 23:42:27 mail postfix/submission/smtpd[2524]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  7 23:42:27 mail postfix/submission/smtpd[2524]: discarding EHLO keywords: CHUNKING
Mar  7 23:42:27 mail postfix/submission/smtpd[2524]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:42:27 mail postfix/submission/smtpd[2524]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:42:28 mail postfix/submission/smtpd[2524]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:42:28 mail postfix/submission/smtpd[2524]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:42:28 mail postfix/submission/smtpd[2524]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  7 23:42:28 mail roundcube[945]: <k40vdbfe> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678203747624&_framed=1&_action=send)
Mar  7 23:42:28 mail roundcube[945]: <k40vdbfe> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678203747624&_framed=1&_action=send)
Mar  7 23:42:28 mail postfix/submission/smtpd[2524]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  7 23:44:55 mail postfix/submission/smtpd[11889]: connect from localhost[127.0.0.1]
Mar  7 23:44:55 mail postfix/submission/smtpd[11889]: discarding EHLO keywords: CHUNKING
Mar  7 23:44:55 mail postfix/submission/smtpd[11889]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  7 23:44:55 mail postfix/submission/smtpd[11889]: discarding EHLO keywords: CHUNKING
Mar  7 23:44:55 mail postfix/submission/smtpd[11889]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:44:55 mail postfix/submission/smtpd[11889]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:44:56 mail postfix/submission/smtpd[11889]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  7 23:44:56 mail postfix/submission/smtpd[11889]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  7 23:44:56 mail postfix/submission/smtpd[11889]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  7 23:44:56 mail roundcube[943]: <k40vdbfe> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678203895844&_framed=1&_action=send)
Mar  7 23:44:56 mail roundcube[943]: <k40vdbfe> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678203895844&_framed=1&_action=send)
Mar  7 23:44:56 mail postfix/submission/smtpd[11889]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  7 23:52:15 mail clamd[873]: SelfCheck: Database status OK.
Mar  8 00:01:02 mail postfix/pickup[1473]: 4PWKtQ1j0qz8vlj: uid=0 from=<root>
Mar  8 00:01:02 mail postfix/cleanup[59926]: 4PWKtQ1j0qz8vlj: message-id=<4PWKtQ1j0qz8vlj@mail.5xiw.com>
Mar  8 00:01:02 mail postfix/pickup[1473]: 4PWKtQ2834z8vlb: uid=0 from=<root>
Mar  8 00:01:02 mail postfix/qmgr[1474]: 4PWKtQ1j0qz8vlj: from=<root@mail.5xiw.com>, size=938, nrcpt=1 (queue active)
Mar  8 00:01:02 mail postfix/cleanup[59926]: 4PWKtQ2834z8vlb: message-id=<4PWKtQ2834z8vlb@mail.5xiw.com>
Mar  8 00:01:02 mail postfix/qmgr[1474]: 4PWKtQ2834z8vlb: from=<root@mail.5xiw.com>, size=952, nrcpt=1 (queue active)
Mar  8 00:01:06 mail postfix/10025/smtpd[60203]: connect from localhost[127.0.0.1]
Mar  8 00:01:06 mail postfix/10025/smtpd[60203]: discarding EHLO keywords: CHUNKING
Mar  8 00:01:06 mail postfix/10025/smtpd[60203]: 4PWKtV13krz8vll: client=localhost[127.0.0.1]
Mar  8 00:01:06 mail postfix/cleanup[59926]: 4PWKtV13krz8vll: message-id=<4PWKtQ1j0qz8vlj@mail.5xiw.com>
Mar  8 00:01:06 mail postfix/qmgr[1474]: 4PWKtV13krz8vll: from=<root@mail.5xiw.com>, size=2150, nrcpt=1 (queue active)
Mar  8 00:01:06 mail postfix/10025/smtpd[60203]: disconnect from localhost[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Mar  8 00:01:06 mail amavis[2711]: (02711-01) Passed CLEAN {RelayedInternal}, ORIGINATING LOCAL [127.0.0.1] /ESMTP <root@mail.5xiw.com> -> <root@mail.5xiw.com>, (), Message-ID: <4PWKtQ1j0qz8vlj@mail.5xiw.com>, mail_id: jr1VfYkfDJSY, b: FYOzu3ux9, Hits: -0.001, size: 938, queued_as: 4PWKtV13krz8vll, Subject: "Cron <root@mail> python3 /opt/iredapd/tools/cleanup_db.py >/dev/null", From: <root@mail.5xiw.com>, helo=, Tests: [NO_RELAYS=-0.001], autolearn=ham autolearn_force=no, autolearnscore=0, dkim_new=dkim:5xiw.com, 3802 ms
Mar  8 00:01:06 mail amavis[2711]: (02711-01) Passed CLEAN, <root@mail.5xiw.com> -> <root@mail.5xiw.com>, Hits: -0.001, tag=2, tag2=6.2, kill=6.9, queued_as: 4PWKtV13krz8vll, L/0/0/0
Mar  8 00:01:06 mail postfix/amavis/smtp[59979]: 4PWKtQ1j0qz8vlj: to=<root@mail.5xiw.com>, orig_to=<root>, relay=127.0.0.1[127.0.0.1]:10026, delay=4.1, delays=0.2/0.06/0.01/3.8, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 4PWKtV13krz8vll)
Mar  8 00:01:06 mail postfix/qmgr[1474]: 4PWKtQ1j0qz8vlj: removed
Mar  8 00:01:06 mail postfix/cleanup[59926]: 4PWKtV1LMZz8vlm: message-id=<4PWKtQ1j0qz8vlj@mail.5xiw.com>
Mar  8 00:01:06 mail postfix/local[60226]: 4PWKtV13krz8vll: to=<root@mail.5xiw.com>, relay=local, delay=0.05, delays=0.01/0.03/0/0.01, dsn=2.0.0, status=sent (forwarded as 4PWKtV1LMZz8vlm)
Mar  8 00:01:06 mail postfix/qmgr[1474]: 4PWKtV1LMZz8vlm: from=<root@mail.5xiw.com>, size=2282, nrcpt=1 (queue active)
Mar  8 00:01:06 mail postfix/qmgr[1474]: 4PWKtV13krz8vll: removed
Mar  8 00:01:06 mail postfix/pipe[60234]: 4PWKtV1LMZz8vlm: to=<postmaster@5xiw.com>, orig_to=<root@mail.5xiw.com>, relay=dovecot, delay=0.07, delays=0/0.01/0/0.05, dsn=2.0.0, status=sent (delivered via dovecot service)
Mar  8 00:01:06 mail postfix/qmgr[1474]: 4PWKtV1LMZz8vlm: removed
Mar  8 00:01:09 mail postfix/10025/smtpd[60203]: connect from localhost[127.0.0.1]
Mar  8 00:01:09 mail postfix/10025/smtpd[60203]: discarding EHLO keywords: CHUNKING
Mar  8 00:01:09 mail postfix/10025/smtpd[60203]: 4PWKtY6kGZz8vlR: client=localhost[127.0.0.1]
Mar  8 00:01:09 mail postfix/cleanup[59926]: 4PWKtY6kGZz8vlR: message-id=<4PWKtQ2834z8vlb@mail.5xiw.com>
Mar  8 00:01:09 mail postfix/10025/smtpd[60203]: disconnect from localhost[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Mar  8 00:01:09 mail postfix/qmgr[1474]: 4PWKtY6kGZz8vlR: from=<root@mail.5xiw.com>, size=2164, nrcpt=1 (queue active)
Mar  8 00:01:09 mail postfix/cleanup[59926]: 4PWKtY6nVGz8vlm: message-id=<4PWKtQ2834z8vlb@mail.5xiw.com>
Mar  8 00:01:09 mail amavis[2713]: (02713-01) Passed CLEAN {RelayedInternal}, ORIGINATING LOCAL [127.0.0.1] /ESMTP <root@mail.5xiw.com> -> <root@mail.5xiw.com>, (), Message-ID: <4PWKtQ2834z8vlb@mail.5xiw.com>, mail_id: rABMrHH9Rroh, b: vtBsZ7Byl, Hits: -0.001, size: 952, queued_as: 4PWKtY6kGZz8vlR, Subject: "Cron <root@mail> python3 /opt/www/iredadmin/tools/delete_mailboxes.py", From: <root@mail.5xiw.com>, helo=, Tests: [NO_RELAYS=-0.001], autolearn=ham autolearn_force=no, autolearnscore=0, dkim_new=dkim:5xiw.com, 7571 ms
Mar  8 00:01:09 mail postfix/local[60226]: 4PWKtY6kGZz8vlR: to=<root@mail.5xiw.com>, relay=local, delay=0.01, delays=0/0.01/0/0, dsn=2.0.0, status=sent (forwarded as 4PWKtY6nVGz8vlm)
Mar  8 00:01:09 mail postfix/qmgr[1474]: 4PWKtY6kGZz8vlR: removed
Mar  8 00:01:09 mail postfix/qmgr[1474]: 4PWKtY6nVGz8vlm: from=<root@mail.5xiw.com>, size=2296, nrcpt=1 (queue active)
Mar  8 00:01:09 mail amavis[2713]: (02713-01) Passed CLEAN, <root@mail.5xiw.com> -> <root@mail.5xiw.com>, Hits: -0.001, tag=2, tag2=6.2, kill=6.9, queued_as: 4PWKtY6kGZz8vlR, L/0/0/0
Mar  8 00:01:09 mail postfix/amavis/smtp[60005]: 4PWKtQ2834z8vlb: to=<root@mail.5xiw.com>, orig_to=<root>, relay=127.0.0.1[127.0.0.1]:10026, delay=7.8, delays=0.12/0.07/0.01/7.6, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 4PWKtY6kGZz8vlR)
Mar  8 00:01:09 mail postfix/qmgr[1474]: 4PWKtQ2834z8vlb: removed
Mar  8 00:01:09 mail postfix/pipe[60234]: 4PWKtY6nVGz8vlm: to=<postmaster@5xiw.com>, orig_to=<root@mail.5xiw.com>, relay=dovecot, delay=0.04, delays=0/0.01/0/0.03, dsn=2.0.0, status=sent (delivered via dovecot service)
Mar  8 00:01:09 mail postfix/qmgr[1474]: 4PWKtY6nVGz8vlm: removed
Mar  8 00:01:39 mail roundcube[945]: <0qn0qk5g> Successful login for postmaster@5xiw.com (ID: 1) from 103.136.185.177 in session 0qn0qk5gg26m9rr5
Mar  8 00:01:43 mail postfix/submission/smtpd[62106]: connect from localhost[127.0.0.1]
Mar  8 00:01:43 mail postfix/submission/smtpd[62106]: discarding EHLO keywords: CHUNKING
Mar  8 00:01:43 mail postfix/submission/smtpd[62106]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  8 00:01:43 mail postfix/submission/smtpd[62106]: discarding EHLO keywords: CHUNKING
Mar  8 00:01:43 mail postfix/submission/smtpd[62106]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:01:43 mail postfix/submission/smtpd[62106]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:01:44 mail postfix/submission/smtpd[62106]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:01:44 mail postfix/submission/smtpd[62106]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:01:44 mail postfix/submission/smtpd[62106]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  8 00:01:44 mail roundcube[943]: <0qn0qk5g> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678204904384&_framed=1&_action=send)
Mar  8 00:01:44 mail roundcube[943]: <0qn0qk5g> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678204904384&_framed=1&_action=send)
Mar  8 00:01:44 mail postfix/submission/smtpd[62106]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  8 00:02:01 mail postfix/pickup[1473]: 4PWKvY54XNz8vlm: uid=0 from=<root>
Mar  8 00:02:01 mail postfix/cleanup[59926]: 4PWKvY54XNz8vlm: message-id=<4PWKvY54XNz8vlm@mail.5xiw.com>
Mar  8 00:02:01 mail postfix/qmgr[1474]: 4PWKvY54XNz8vlm: from=<root@mail.5xiw.com>, size=971, nrcpt=1 (queue active)
Mar  8 00:02:02 mail postfix/10025/smtpd[60203]: connect from localhost[127.0.0.1]
Mar  8 00:02:02 mail postfix/10025/smtpd[60203]: discarding EHLO keywords: CHUNKING
Mar  8 00:02:02 mail postfix/10025/smtpd[60203]: 4PWKvZ2klBz8vlb: client=localhost[127.0.0.1]
Mar  8 00:02:02 mail postfix/cleanup[59926]: 4PWKvZ2klBz8vlb: message-id=<4PWKvY54XNz8vlm@mail.5xiw.com>
Mar  8 00:02:02 mail postfix/10025/smtpd[60203]: disconnect from localhost[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Mar  8 00:02:02 mail postfix/qmgr[1474]: 4PWKvZ2klBz8vlb: from=<root@mail.5xiw.com>, size=2183, nrcpt=1 (queue active)
Mar  8 00:02:02 mail postfix/cleanup[59926]: 4PWKvZ2nq2z8vlq: message-id=<4PWKvY54XNz8vlm@mail.5xiw.com>
Mar  8 00:02:02 mail postfix/qmgr[1474]: 4PWKvZ2nq2z8vlq: from=<root@mail.5xiw.com>, size=2315, nrcpt=1 (queue active)
Mar  8 00:02:02 mail postfix/local[60226]: 4PWKvZ2klBz8vlb: to=<root@mail.5xiw.com>, relay=local, delay=0.01, delays=0/0/0/0.01, dsn=2.0.0, status=sent (forwarded as 4PWKvZ2nq2z8vlq)
Mar  8 00:02:02 mail amavis[2714]: (02714-01) Passed CLEAN {RelayedInternal}, ORIGINATING LOCAL [127.0.0.1] /ESMTP <root@mail.5xiw.com> -> <root@mail.5xiw.com>, (), Message-ID: <4PWKvY54XNz8vlm@mail.5xiw.com>, mail_id: 70s6Q22XbXRJ, b: rFPQdjtFZ, Hits: -0.001, size: 971, queued_as: 4PWKvZ2klBz8vlb, Subject: "Cron <root@mail> python3 /opt/iredapd/tools/spf_to_greylist_whitelists.py >/dev/null", From: <root@mail.5xiw.com>, helo=, Tests: [NO_RELAYS=-0.001], autolearn=ham autolearn_force=no, autolearnscore=0, dkim_new=dkim:5xiw.com, 660 ms
Mar  8 00:02:02 mail amavis[2714]: (02714-01) Passed CLEAN, <root@mail.5xiw.com> -> <root@mail.5xiw.com>, Hits: -0.001, tag=2, tag2=6.2, kill=6.9, queued_as: 4PWKvZ2klBz8vlb, L/0/0/0
Mar  8 00:02:02 mail postfix/amavis/smtp[59979]: 4PWKvY54XNz8vlm: to=<root@mail.5xiw.com>, orig_to=<root>, relay=127.0.0.1[127.0.0.1]:10026, delay=0.69, delays=0.02/0/0.01/0.66, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 4PWKvZ2klBz8vlb)
Mar  8 00:02:02 mail postfix/qmgr[1474]: 4PWKvZ2klBz8vlb: removed
Mar  8 00:02:02 mail postfix/qmgr[1474]: 4PWKvY54XNz8vlm: removed
Mar  8 00:02:02 mail postfix/pipe[60234]: 4PWKvZ2nq2z8vlq: to=<postmaster@5xiw.com>, orig_to=<root@mail.5xiw.com>, relay=dovecot, delay=0.05, delays=0/0.01/0/0.04, dsn=2.0.0, status=sent (delivered via dovecot service)
Mar  8 00:02:02 mail postfix/qmgr[1474]: 4PWKvZ2nq2z8vlq: removed
Mar  8 00:04:11 mail postfix/submission/smtpd[69880]: connect from localhost[127.0.0.1]
Mar  8 00:04:11 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:04:11 mail postfix/submission/smtpd[69880]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  8 00:04:11 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:04:11 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:04:11 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:04:12 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:04:12 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:04:12 mail postfix/submission/smtpd[69880]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  8 00:04:12 mail roundcube[2485]: <0qn0qk5g> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678205051640&_framed=1&_action=send)
Mar  8 00:04:12 mail roundcube[2485]: <0qn0qk5g> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678205051640&_framed=1&_action=send)
Mar  8 00:04:12 mail postfix/submission/smtpd[69880]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  8 00:04:23 mail postfix/postscreen[71149]: CONNECT from [147.78.103.50]:60832 to [192.168.32.4]:25
Mar  8 00:04:24 mail postfix/dnsblog[71151]: addr 147.78.103.50 listed by domain zen.spamhaus.org as 127.0.0.3
Mar  8 00:04:24 mail postfix/dnsblog[71151]: addr 147.78.103.50 listed by domain zen.spamhaus.org as 127.0.0.2
Mar  8 00:04:24 mail postfix/dnsblog[71151]: addr 147.78.103.50 listed by domain zen.spamhaus.org as 127.0.0.4
Mar  8 00:04:24 mail postfix/dnsblog[71151]: addr 147.78.103.50 listed by domain zen.spamhaus.org as 127.0.0.9
Mar  8 00:04:24 mail postfix/dnsblog[71151]: addr 147.78.103.50 listed by domain zen.spamhaus.org as 127.0.0.11
Mar  8 00:04:29 mail postfix/postscreen[71149]: DNSBL rank 3 for [147.78.103.50]:60832
Mar  8 00:04:29 mail postfix/postscreen[71149]: DISCONNECT [147.78.103.50]:60832
Mar  8 00:05:45 mail postfix/submission/smtpd[69880]: connect from localhost[127.0.0.1]
Mar  8 00:05:45 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:05:45 mail postfix/submission/smtpd[69880]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  8 00:05:45 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:05:45 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:05:45 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:05:46 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:05:46 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:05:46 mail postfix/submission/smtpd[69880]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  8 00:05:46 mail roundcube[944]: <0qn0qk5g> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678205146276&_framed=1&_action=send)
Mar  8 00:05:46 mail roundcube[944]: <0qn0qk5g> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678205146276&_framed=1&_action=send)
Mar  8 00:05:46 mail postfix/submission/smtpd[69880]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  8 00:05:48 mail postfix/submission/smtpd[69880]: connect from localhost[127.0.0.1]
Mar  8 00:05:48 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:05:48 mail postfix/submission/smtpd[69880]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  8 00:05:48 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:05:48 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:05:48 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:05:49 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:05:49 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:05:49 mail postfix/submission/smtpd[69880]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  8 00:05:49 mail roundcube[2485]: <0qn0qk5g> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678205148839&_framed=1&_action=send)
Mar  8 00:05:49 mail roundcube[2485]: <0qn0qk5g> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678205148839&_framed=1&_action=send)
Mar  8 00:05:49 mail postfix/submission/smtpd[69880]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8
Mar  8 00:05:51 mail postfix/submission/smtpd[69880]: connect from localhost[127.0.0.1]
Mar  8 00:05:51 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:05:51 mail postfix/submission/smtpd[69880]: Anonymous TLS connection established from localhost[127.0.0.1]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Mar  8 00:05:51 mail postfix/submission/smtpd[69880]: discarding EHLO keywords: CHUNKING
Mar  8 00:05:51 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:05:51 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:05:52 mail postfix/submission/smtpd[69880]: warning: connect to 127.0.0.1:7777: Connection refused
Mar  8 00:05:52 mail postfix/submission/smtpd[69880]: warning: problem talking to server 127.0.0.1:7777: Connection refused
Mar  8 00:05:52 mail postfix/submission/smtpd[69880]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem; from=<postmaster@5xiw.com> to=<2274666983@qq.com> proto=ESMTP helo=<localhost>
Mar  8 00:05:52 mail roundcube[942]: <0qn0qk5g> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1678205152056&_framed=1&_action=send)
Mar  8 00:05:52 mail roundcube[942]: <0qn0qk5g> SMTP Error: Failed to add recipient '2274666983@qq.com'. 4.3.5 <2274666983@qq.com>: Recipient address rejected: Server configuration problem (Code: 451) in /opt/www/roundcubemail-1.5.3/program/lib/Roundcube/rcube.php on line 1778 (POST /mail/?_task=mail&_unlock=loading1678205152056&_framed=1&_action=send)
Mar  8 00:05:52 mail postfix/submission/smtpd[69880]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=0/1 rset=1 quit=1 commands=7/8