The original message was received at Tue, 28 Jan 2025 11:18:50 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 554 5.7.1 : Recipient address rejected: Access denied) (reason: 554 rejecting banned content) (reason: 554 rejecting banned content) (reason: 551 5.1.1 recipient is not exist) (reason: 550 Host unknown) (reason: 550 Relaying mail to sell@hl-cn.cn is not allowed) (reason: 550 5.4.1 Recipient address rejected: Access denied. [SG1PEPF000082E1.apcprd02.prod.outlook.com 2025-01-28T10:25:31.963Z 08DD3E82D924E255]) (reason: 550 User not found: sem@ibcas.ac.cn) (reason: 550 Host unknown) ----- Transcript of session follows ----- 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout ... Deferred: Connection timed out with bieming8.ytaotao.net. 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout ... while talking to chubun.co.jp.: >>> DATA : Recipient address rejected: Access denied 554 5.0.0 Service unavailable >> DATA >> DATA >> DATA ... User unknown ... Deferred: Connection timed out with grainer.com.cn. 550 5.1.2 ... Host unknown (Name server: higlead.com.cn: host not found) ... while talking to mx1.qiye.aliyun.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1169S2410121220, maildocker-behaviorspam033068235217]: much too frequently sendingCONTINUE >> RCPT To: ... User unknown >>> DATA >> DATA ... User unknown >> DATA ... User unknown >> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect 451 kanglaida.cn: Name server timeout ... Deferred: Connection timed out with jwgb.cn. 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout ... while talking to mne-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.3.2 Temporary server error. Please try again later ATTR2 [DB1PEPF000509F4.eurprd02.prod.outlook.com 2025-01-28T10:27:15.271Z 08DD3F68F0FF681E] >> DATA >> DATA >> DATA >> DATA ,,,... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout ... while talking to pap-org-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [SG2PEPF000B66C9.apcprd03.prod.outlook.com 2025-01-28T10:28:02.695Z 08DD3E3DF5FDCA1A] 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout ... while talking to psbacademy-edu-sg0i.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [SG2PEPF000B66CE.apcprd03.prod.outlook.com 2025-01-28T10:28:18.177Z 08DD3E2A8D8ADC27] ... while talking to mailaz2a.schools.gov.sg.: >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA ... Host unknown (Name server: semitec-sz.cn: host not found) 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout ... while talking to mx202.snnu.edu.cn.: >>> DATA ... Deferred: 421 Too many connections ... Deferred: Connection timed out with snpa.cn. 451 kanglaida.cn: Name server timeout ... while talking to home.swjtu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: yCVVtACnOIiLsZhny5x0AQ--.57384S3, please try again ... Deferred: Connection timed out with teleen.com.cn. 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout 451 kanglaida.cn: Name server timeout ... while talking to aspmx.l.google.com.: >>> DATA >> DATA >> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect 550 5.1.2 ... Host unknown (Name server: .: host not found) ... while talking to mxn.mxhichina.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1669S9610121220, maildocker-behaviorspam033037038082]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R4869S4510121220, maildocker-behaviorspam033038135233]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R4369S2010121220, maildocker-behaviorspam033037003110]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1669S1210121220, maildocker-behaviorspam033024137128]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R4669S2810121220, maildocker-behaviorspam033045239223]: much too frequently sendingCONTINUE