The original message was received at Tue, 28 Jan 2025 09:18:50 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Host unknown) (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMDKwIlWQ8OcUt5JgYGHjVjLFd0PhkTDgwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfVQlUg9ZcUAvcwYGHjVjLFd3aE8WXAwvHBhK) (reason: 550 Mailbox unavailable or access denied [OGqA/Ptf1JSOhfrQpp6yuJlzh9CcCWNgHMA7B8+S0pMhXRZ45wogU2I= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 550 Host unknown) (reason: 554 5.7.1 Rejected due to unauthenticated sender; either use SPF or DKIM) (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: 451 4.4.1 reply: read error from freemx1.sinamail.sina.com.cn.) (reason: 554 5.7.1 Too many spam complaints,rastegaevaa@duosakhiy.com) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) ----- Transcript of session follows ----- 451 jdl.ac.cn: Name server timeout ... Deferred: Connection refused by 1024.hongshang-led.com. ... Deferred: Connection timed out with mail.bac.edu.cn. 550 5.1.2 ,... Host unknown (Name server: bay.deu.eu: host not found) 451 jdl.ac.cn: Name server timeout ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... Deferred: Connection timed out with dctools.cn. ... Deferred: Connection timed out with deutz.com.cn. 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... Deferred: Connection timed out with furward.com.cn. 451 jdl.ac.cn: Name server timeout ... while talking to mxbiz1.qq.com.: >>> DATA ... Host unknown (Name server: hes.deu.eu: host not found) 451 jdl.ac.cn: Name server timeout ... while talking to mx.hit.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: DTuowABnucDbk5hnqc50AA--.12024S3, please try again 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout ... while talking to mx.serviciodecorreo.es.: >>> DATA ... Host unknown (Name server: mall.dlptt.ln.cn: no data known) 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout ... while talking to mx1.smtp.goog.: >>> DATA >> DATA ... Deferred: Connection timed out with oracle-cn.cn. 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout 451 jdl.ac.cn: Name server timeout ... while talking to freemx1.sinamail.sina.com.cn.: >>> DATA >> DATA >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021A.apcprd03.prod.outlook.com 2025-01-28T08:27:33.099Z 08DD3E3DFC038AB5] 451 jdl.ac.cn: Name server timeout ... while talking to ualg-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB1PEPF000509F9.eurprd02.prod.outlook.com 2025-01-28T08:27:36.608Z 08DD3E5C2E9826D4] 550 5.1.2 ,,... Host unknown (Name server: .: host not found) 451 jdl.ac.cn: Name server timeout ... while talking to yml-com-cn.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG2PEPF000B66C9.apcprd03.prod.outlook.com 2025-01-28T08:27:42.899Z 08DD3E3DF5C59C13]