The original message was received at Tue, 28 Jan 2025 09:31:19 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfQZxUw1fcUt5dgYGHjVjLFdzaUgTXwwvHBhK) (reason: 551 5.1.1 recipient is not exist) (reason: 550 Message contained spam content (antispamcloud.spam.nwsjnk21)) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfQYlU11fcUt5cwYGHjVjLFdzax1ODAwvHBhK) (reason: 550 User not found: fengw12@mails.tsinghua.edu.cn) (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 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfQAkWwkKcUt5cgYGHjVjLFdwPBxBCwwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfQF2CAkOcUl%2FdAYGHjVudwdyO01OWQwvHBJa) (reason: 451 4.4.1 reply: read error from freemx1.sinamail.sina.com.cn.) (reason: 550 Mail content denied [NLAtegSadZQLY6w0uZ8LkZIEUxoWfdHQ0ZyeMklOAkYbxQKse4kIh54= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Mail content denied [NLAtegSadZQLY6w0uZ8LkZIEUxoWfdHQ0ZyeMklOAkYbxQKse4kIh54= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 User suspended: fengxiangnan123@swjtu.edu.cn) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfQJ2DA4JcUt5JgYGHjVjLFdyaxtOCwwvHBhK) (reason: 550 Mail content denied [ORLs+t4qA9N4qDqFuISl9jqmHfcx7HFtPOXy3sGWo7j9yyzMMqSg/n4= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfQIiDFNVcUt4IQYGHjVjLFQja0xFXgwvHBhK) ----- Transcript of session follows ----- ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... User unknown >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB1PEPF000509F7.eurprd02.prod.outlook.com 2025-01-28T08:33:50.735Z 08DD3E6727B4DD3F] ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: LAGowADH7FWUlphnhc9RAQ--.9565S3, please try again ... while talking to mta0.tsinghua.edu.cn.: >>> RCPT To: ... User unknown >>> DATA >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB1.apcprd02.prod.outlook.com 2025-01-28T08:35:49.266Z 08DD3E48C9605B04] ... while talking to aspmx.l.google.com.: >>> DATA ... Host unknown (Name server: public.yc.js.cn: host not found) ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1268S2610121229, maildocker-behaviorspam033055200174]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R9668S0610121229, maildocker-behaviorspam033045086103]: too frequently sendingCONTINUE >> DATA ... Deferred: 450 Requested action not taken: AQAAfwAnJSUcl5hnY+zcAw--.41190S3, please try again ... while talking to qiye163mx01.mxmail.netease.com.: >>> DATA >> DATA >> DATA >> DATA ... User unknown >> DATA ... Deferred: 450 Requested action not taken: OEB0ygDHf0dDl5hnjsPmAQ--.9814S3, please try again ... while talking to westlake-edu-cn.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021C.apcprd03.prod.outlook.com 2025-01-28T08:37:51.648Z 08DD3E52F819B98F] ... while talking to mail.xjtlu.edu.cn.: ... Deferred: 421 4.7.0 Not allowed. ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: LAGowADH6VJil5hnTNdRAQ--.9614S3, please try again ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ,... Host unknown (Name server: .: host not found) ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: 3uqowADnGoiGl5hnRz44Ag--.40519S3, please try again