The original message was received at Tue, 28 Jan 2025 10:59:15 +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/ABFOBSMCeAUkCF5YcUt5fQYGHjVjKwFzYxpFWAwvHBhK) (reason: 550 Mail content denied [ORLs+t4qA9N43KgUR2xrl3J3iQ12Ekfw6s+4nVb41D4Yg/IvE0VP32w= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 #5.1.0 Address rejected.) (reason: 550 Mailbox unavailable or access denied [OGqA/Ptf1JSO4k8oFnsAG54/0t8iTvNtPWQSqp4LLxOgjmb0IEHTUa4= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 551 5.1.1 recipient is not exist) (reason: 554 RCPT (peggv@texitm.com.cn) dosn't exist) (reason: 554 Reject by content spam) (reason: 550 Host unknown) (reason: 550 User not found: peixiaowen@twhome.com.cn) (reason: 550 Mailbox unavailable or access denied [OGqA/Ptf1JSOGka4AkMynLMQhNqlP3OmzQQFgUMOM2v4NzRwRX/NWNA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 554 5.7.1 This email from IP 83.138.65.30 has been rejected. The email message was detected as spam.) ----- Transcript of session follows ----- ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: FEDFygDXAxbLqphn8r9KAQ--.9074S3, 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) [DB1PEPF00039233.eurprd03.prod.outlook.com 2025-01-28T10:01:10.534Z 08DD3F81F18A219E] ... while talking to mxbiz1.qq.com.: >>> DATA ... Deferred: 421 mail21.hmail.sg closing connection ... while talking to mx2.sgict.gov.sg.: >>> RCPT To: ... User unknown >>> DATA >> DATA >> DATA >> DATA >> DATA ,,,,,,... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to gw1-mail.nctu.edu.tw.: >>> DATA : Client host rejected: Greylisted, see http://postgrey.schweikert.ch/help/nctu.edu.tw.html ... Deferred: 450 4.2.0 : Client host rejected: Greylisted, see http://postgrey.schweikert.ch/help/nctu.edu.tw.html >> DATA : Client host rejected: Greylisted, see http://postgrey.schweikert.ch/help/nctu.edu.tw.html ... Deferred: 450 4.2.0 : Client host rejected: Greylisted, see http://postgrey.schweikert.ch/help/nctu.edu.tw.html ... Deferred: 421 mail21.hmail.sg closing connection ... while talking to mailcdn.21cn.com.: >>> DATA >> RSET ... Host unknown (Name server: sara.gov.cn: no data known) ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA ... User unknown >> DATA >> DATA ... Host unknown (Name server: tradoro.cn: host not found) ... while talking to mx.corpease.net.: >>> DATA ... User unknown >> DATA >> DATA ... Deferred: 450 Requested action not taken: OnB1ygBnweEKrJhnxLlICA--.64687S3, please try again ... while talking to mail.xjtlu.edu.cn.: >>> DATA ... Host unknown (Name server: .: 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