The original message was received at Tue, 28 Jan 2025 10:05:56 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 5.4.1 Recipient address rejected: Access denied. [HK2PEPF00006FB0.apcprd02.prod.outlook.com 2025-01-28T09:07:58.416Z 08DD3E3E0E29A4A9]) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 5.1.1 : Recipient address rejected: User unknown in local recipient table) (reason: 550 Host unknown) (reason: 554 RCPT (is.indservice@lianfeng.com.cn) dosn't exist) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 #5.1.0 Address rejected.) (reason: 550 #5.1.0 Address rejected.) (reason: 550 Host unknown) (reason: 550 5.4.1 Recipient address rejected: Access denied. [DU6PEPF0000A7E1.eurprd02.prod.outlook.com 2025-01-28T09:12:45.950Z 08DD3F71C0055BF7]) (reason: 550 5.4.1 Recipient address rejected: Access denied. [AMS0EPF000001B3.eurprd05.prod.outlook.com 2025-01-28T09:13:00.392Z 08DD3E51493B5C4C]) (reason: 550 5.4.1 Recipient address rejected: Access denied. [SG2PEPF000B66D0.apcprd03.prod.outlook.com 2025-01-28T09:13:35.313Z 08DD3E9E35D3A3A7]) ----- Transcript of session follows ----- ... while talking to aicib-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB5PEPF00014B98.eurprd02.prod.outlook.com 2025-01-28T09:07:43.330Z 08DD3F574D14FB19] ... while talking to bii-astar-edu-sg01c.mail.protection.outlook.com.: >>> DATA ... User unknown >> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 454 Transient reject by behaviour spamANTISPAM_BAT[01201311R2069S1410121220, maildocker-behaviorspam033045032255]: much too frequently sending ... while talking to aspmx.l.google.com.: >>> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: AQAAfwCXWu2lnphnJnh_AA--.2387S3, please try again ... while talking to granorte-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [AMS0EPF000001B4.eurprd05.prod.outlook.com 2025-01-28T09:09:12.257Z 08DD3E5B5D9230A7] ... while talking to iniav-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB5PEPF00014B94.eurprd02.prod.outlook.com 2025-01-28T09:09:31.004Z 08DD3F752128EE3C] ... while talking to smtp-box-01.iol.pt.: >>> DATA : Recipient address rejected: User unknown in local recipient table 550 5.1.1 ... User unknown ... Host unknown (Name server: irvin.cn: host not found) ... while talking to mx1.qiye.aliyun.com.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: AQAAfwBntUvrnphnBZU6AA--.2129S3, please try again ... while talking to mx1.smtp.goog.: >>> DATA >> RCPT To: ... User unknown ... while talking to mx2.sgict.gov.sg.: >>> RCPT To: ... User unknown >>> DATA ... Host unknown (Name server: public.bta.net.cn: host not found) ... while talking to aspmx.l.google.com.: >>> DATA >> DATA >> DATA >> DATA >> DATA ,... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to mail.sprg.com.hk.: >>> DATA : Recipient address rejected: Service is unavailable (try later) ... Deferred: 450 4.7.1 : Recipient address rejected: Service is unavailable (try later) >> DATA ... User unknown ... Deferred: 421 mail21.hmail.sg closing connection ... while talking to tuvsud-cn0i.mail.protection.outlook.com.: >>> DATA ... User unknown >> DATA ... User unknown ... Host unknown (Name server: .: 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[01201311R5468S4810121229, maildocker-behaviorspam033045086103]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R6768S3610121229, maildocker-behaviorspam033070011098]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1468S0410121229, maildocker-behaviorspam033045108231]: too frequently sendingCONTINUE