The original message was received at Tue, 28 Jan 2025 10:45:24 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Mail content denied [ORLs+t4qA9N4sJgfzpGHXJtfVAQ2edcpP+uJuAvqaN5ST4pZN1ofk8I= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.4.1 Recipient address rejected: Access denied. [CO1PEPF000075EE.namprd03.prod.outlook.com 2025-01-28T09:47:07.455Z 08DD3F5C8C3FD223]) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeQJ1X1NZcUt5dwYGHjVjKwFwaU1DXAwvHBhK) (reason: 550 5.5.0 no such recipient - matthias.groote@europarl.europa.eu) (reason: 550 5.5.0 no such recipient - maurice.ponga@europarl.europa.eu) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 Mail content denied [Nu9f9OZKLqws3+ECCBjRljF9OESjWIIJVU4k/fsX5NyDrzLp4hiBSvs= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 500 5.0.0 Service unavailable) (reason: 550 5.4.1 Recipient address rejected: Access denied. [SG2PEPF000B66CF.apcprd03.prod.outlook.com 2025-01-28T09:49:16.897Z 08DD3E685ECBDFB6]) (reason: 550 #5.1.0 Address rejected.) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeFYjW1hfcUt5fAYGHjVjKwFwY0hHDgwvHBhK) (reason: 550 Host unknown) ----- Transcript of session follows ----- ... 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[01201311R2568S1910121229, maildocker-behaviorspam033045032255]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1768S3810121229, maildocker-behaviorspam033070011098]: too frequently sendingCONTINUE >> RCPT To: ... Deferred: 451 Internal resource temporarily unavailable - https://community.mimecast.com/docs/DOC-1369#451 [7-Ho4jAnNDCnowvjKhOCLg.uk239] >>> DATA >> RCPT To: ... Deferred: 451 Internal resource temporarily unavailable - https://community.mimecast.com/docs/DOC-1369#451 [B3hH1S1gM0GUWKj8Ed2H3g.uk213] >>> DATA >> DATA >> DATA ... User unknown ... Deferred: Connection timed out with dsusnyzc1gvnhdosuojkuyyq6sqgy3j3.yundunwaf5.com. ... while talking to mxhm.qiye.163.com.: >>> DATA >> DATA ... User unknown ... User unknown >> DATA >> DATA >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB3.apcprd02.prod.outlook.com 2025-01-28T09:48:16.203Z 08DD3E69EFCD2089] ... Deferred: Connection timed out with innovaph.com.cn. ,... Deferred: Connection refused by lappkabel.com.cn. ... while talking to lb-org-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FAF.apcprd02.prod.outlook.com 2025-01-28T09:49:04.152Z 08DD3E531C6DAF99] ... while talking to luckytex-com-hk.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF00000220.apcprd03.prod.outlook.com 2025-01-28T09:49:11.040Z 08DD3EBABA78C5A2] ... while talking to mail-cwt-com-tw.mail.protection.outlook.com.: >>> DATA ... User unknown >> RCPT To: ... User unknown ... while talking to muarchitects-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG1PEPF000082E1.apcprd02.prod.outlook.com 2025-01-28T09:50:07.897Z 08DD3E82D917D797] ... while talking to mail11.hmail.sg.: ... Deferred: 421 mail21.hmail.sg closing connection ... while talking to nottingham-edu-cn.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB2.apcprd02.prod.outlook.com 2025-01-28T09:50:17.957Z 08DD3E92493DDAAF] ... while talking to smtp.google.com.: >>> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... 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 ... while talking to rp-edu-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG2PEPF000B66CD.apcprd03.prod.outlook.com 2025-01-28T09:51:06.436Z 08DD3E4818E61259] ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... Host unknown (Name server: systcom.cn: host not found) ... while talking to wmi-edu-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF00000221.apcprd03.prod.outlook.com 2025-01-28T09:52:01.560Z 08DD3E3451742ADB] 550 5.1.2 ,... Host unknown (Name server: .: host not found) ... while talking to mx-apac.mail.gm0.yahoodns.net.: >>> MAIL From: SIZE=3116 ... Deferred: 421 4.7.0 [TSS04] Messages from 83.138.65.30 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes